21019953840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{33647}}^1$

素因数の和:33819

約数の個数: 160

約数和(自身を含む): 69094149120

約数和(自身を除く): 48074195280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 137, 152, 190, 228, 240, 274, 285, 304, 380, 411, 456, 548, 570, 685, 760, 822, 912, 1096, 1140, 1370, 1520, 1644, 2055, 2192, 2280, 2603, 2740, 3288, 4110, 4560, 5206, 5480, 6576, 7809, 8220, 10412, 10960, 13015, 15618, 16440, 20824, 26030, 31236, 32880, 33647, 39045, 41648, 52060, 62472, 67294, 78090, 100941, 104120, 124944, 134588, 156180, 168235, 201882, 208240, 269176, 312360, 336470, 403764, 504705, 538352, 624720, 639293, 672940, 807528, 1009410, 1278586, 1345880, 1615056, 1917879, 2018820, 2557172, 2691760, 3196465, 3835758, 4037640, 4609639, 5114344, 6392930, 7671516, 8075280, 9219278, 9589395, 10228688, 12785860, 13828917, 15343032, 18438556, 19178790, 23048195, 25571720, 27657834, 30686064, 36877112, 38357580, 46096390, 51143440, 55315668, 69144585, 73754224, 76715160, 87583141, 92192780, 110631336, 138289170, 153430320, 175166282, 184385560, 221262672, 262749423, 276578340, 350332564, 368771120, 437915705, 525498846, 553156680, 700665128, 875831410, 1050997692, 1106313360, 1313747115, 1401330256, 1751662820, 2101995384, 2627494230, 3503325640, 4203990768, 5254988460, 7006651280, 10509976920, 21019953840]

約数ペア:

[(1, 21019953840), (2, 10509976920), (3, 7006651280), (4, 5254988460), (5, 4203990768), (6, 3503325640), (8, 2627494230), (10, 2101995384), (12, 1751662820), (15, 1401330256), (16, 1313747115), (19, 1106313360), (20, 1050997692), (24, 875831410), (30, 700665128), (38, 553156680), (40, 525498846), (48, 437915705), (57, 368771120), (60, 350332564), (76, 276578340), (80, 262749423), (95, 221262672), (114, 184385560), (120, 175166282), (137, 153430320), (152, 138289170), (190, 110631336), (228, 92192780), (240, 87583141), (274, 76715160), (285, 73754224), (304, 69144585), (380, 55315668), (411, 51143440), (456, 46096390), (548, 38357580), (570, 36877112), (685, 30686064), (760, 27657834), (822, 25571720), (912, 23048195), (1096, 19178790), (1140, 18438556), (1370, 15343032), (1520, 13828917), (1644, 12785860), (2055, 10228688), (2192, 9589395), (2280, 9219278), (2603, 8075280), (2740, 7671516), (3288, 6392930), (4110, 5114344), (4560, 4609639), (5206, 4037640), (5480, 3835758), (6576, 3196465), (7809, 2691760), (8220, 2557172), (10412, 2018820), (10960, 1917879), (13015, 1615056), (15618, 1345880), (16440, 1278586), (20824, 1009410), (26030, 807528), (31236, 672940), (32880, 639293), (33647, 624720), (39045, 538352), (41648, 504705), (52060, 403764), (62472, 336470), (67294, 312360), (78090, 269176), (100941, 208240), (104120, 201882), (124944, 168235), (134588, 156180)]