21142440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 79185600

約数和(自身を除く): 58043160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 281, 285, 330, 342, 360, 380, 396, 418, 440, 456, 495, 562, 570, 627, 660, 684, 760, 792, 836, 843, 855, 990, 1045, 1124, 1140, 1254, 1320, 1368, 1405, 1672, 1686, 1710, 1881, 1980, 2090, 2248, 2280, 2508, 2529, 2810, 3091, 3135, 3372, 3420, 3762, 3960, 4180, 4215, 5016, 5058, 5339, 5620, 6182, 6270, 6744, 6840, 7524, 8360, 8430, 9273, 9405, 10116, 10678, 11240, 12364, 12540, 12645, 15048, 15455, 16017, 16860, 18546, 18810, 20232, 21356, 24728, 25080, 25290, 26695, 27819, 30910, 32034, 33720, 37092, 37620, 42712, 46365, 48051, 50580, 53390, 55638, 58729, 61820, 64068, 74184, 75240, 80085, 92730, 96102, 101160, 106780, 111276, 117458, 123640, 128136, 139095, 160170, 176187, 185460, 192204, 213560, 222552, 234916, 240255, 278190, 293645, 320340, 352374, 370920, 384408, 469832, 480510, 528561, 556380, 587290, 640680, 704748, 880935, 961020, 1057122, 1112760, 1174580, 1409496, 1761870, 1922040, 2114244, 2349160, 2642805, 3523740, 4228488, 5285610, 7047480, 10571220, 21142440]

約数ペア:

[(1, 21142440), (2, 10571220), (3, 7047480), (4, 5285610), (5, 4228488), (6, 3523740), (8, 2642805), (9, 2349160), (10, 2114244), (11, 1922040), (12, 1761870), (15, 1409496), (18, 1174580), (19, 1112760), (20, 1057122), (22, 961020), (24, 880935), (30, 704748), (33, 640680), (36, 587290), (38, 556380), (40, 528561), (44, 480510), (45, 469832), (55, 384408), (57, 370920), (60, 352374), (66, 320340), (72, 293645), (76, 278190), (88, 240255), (90, 234916), (95, 222552), (99, 213560), (110, 192204), (114, 185460), (120, 176187), (132, 160170), (152, 139095), (165, 128136), (171, 123640), (180, 117458), (190, 111276), (198, 106780), (209, 101160), (220, 96102), (228, 92730), (264, 80085), (281, 75240), (285, 74184), (330, 64068), (342, 61820), (360, 58729), (380, 55638), (396, 53390), (418, 50580), (440, 48051), (456, 46365), (495, 42712), (562, 37620), (570, 37092), (627, 33720), (660, 32034), (684, 30910), (760, 27819), (792, 26695), (836, 25290), (843, 25080), (855, 24728), (990, 21356), (1045, 20232), (1124, 18810), (1140, 18546), (1254, 16860), (1320, 16017), (1368, 15455), (1405, 15048), (1672, 12645), (1686, 12540), (1710, 12364), (1881, 11240), (1980, 10678), (2090, 10116), (2248, 9405), (2280, 9273), (2508, 8430), (2529, 8360), (2810, 7524), (3091, 6840), (3135, 6744), (3372, 6270), (3420, 6182), (3762, 5620), (3960, 5339), (4180, 5058), (4215, 5016)]