21404460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 77220864

約数和(自身を除く): 55816404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 105, 110, 113, 123, 132, 140, 154, 164, 165, 205, 210, 220, 226, 231, 246, 287, 308, 330, 339, 385, 410, 420, 451, 452, 462, 492, 565, 574, 615, 660, 678, 770, 791, 820, 861, 902, 924, 1130, 1148, 1155, 1230, 1243, 1353, 1356, 1435, 1540, 1582, 1695, 1722, 1804, 2255, 2260, 2310, 2373, 2460, 2486, 2706, 2870, 3157, 3164, 3390, 3444, 3729, 3955, 4305, 4510, 4620, 4633, 4746, 4972, 5412, 5740, 6215, 6314, 6765, 6780, 7458, 7910, 8610, 8701, 9020, 9266, 9471, 9492, 11865, 12430, 12628, 13530, 13899, 14916, 15785, 15820, 17220, 17402, 18532, 18645, 18942, 23165, 23730, 24860, 26103, 27060, 27798, 31570, 32431, 34804, 37290, 37884, 43505, 46330, 47355, 47460, 50963, 52206, 55596, 63140, 64862, 69495, 74580, 87010, 92660, 94710, 97293, 101926, 104412, 129724, 130515, 138990, 152889, 162155, 174020, 189420, 194586, 203852, 254815, 261030, 277980, 305778, 324310, 356741, 389172, 486465, 509630, 522060, 611556, 648620, 713482, 764445, 972930, 1019260, 1070223, 1426964, 1528890, 1783705, 1945860, 2140446, 3057780, 3567410, 4280892, 5351115, 7134820, 10702230, 21404460]

約数ペア:

[(1, 21404460), (2, 10702230), (3, 7134820), (4, 5351115), (5, 4280892), (6, 3567410), (7, 3057780), (10, 2140446), (11, 1945860), (12, 1783705), (14, 1528890), (15, 1426964), (20, 1070223), (21, 1019260), (22, 972930), (28, 764445), (30, 713482), (33, 648620), (35, 611556), (41, 522060), (42, 509630), (44, 486465), (55, 389172), (60, 356741), (66, 324310), (70, 305778), (77, 277980), (82, 261030), (84, 254815), (105, 203852), (110, 194586), (113, 189420), (123, 174020), (132, 162155), (140, 152889), (154, 138990), (164, 130515), (165, 129724), (205, 104412), (210, 101926), (220, 97293), (226, 94710), (231, 92660), (246, 87010), (287, 74580), (308, 69495), (330, 64862), (339, 63140), (385, 55596), (410, 52206), (420, 50963), (451, 47460), (452, 47355), (462, 46330), (492, 43505), (565, 37884), (574, 37290), (615, 34804), (660, 32431), (678, 31570), (770, 27798), (791, 27060), (820, 26103), (861, 24860), (902, 23730), (924, 23165), (1130, 18942), (1148, 18645), (1155, 18532), (1230, 17402), (1243, 17220), (1353, 15820), (1356, 15785), (1435, 14916), (1540, 13899), (1582, 13530), (1695, 12628), (1722, 12430), (1804, 11865), (2255, 9492), (2260, 9471), (2310, 9266), (2373, 9020), (2460, 8701), (2486, 8610), (2706, 7910), (2870, 7458), (3157, 6780), (3164, 6765), (3390, 6314), (3444, 6215), (3729, 5740), (3955, 5412), (4305, 4972), (4510, 4746), (4620, 4633)]