21803990148

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1847}}^1\times {\mathrm{6977}}^1$

素因数の和:8881

約数の個数: 72

約数和(自身を含む): 56326862592

約数和(自身を除く): 34522872444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 1847, 3694, 5541, 6977, 7388, 11082, 13954, 16623, 20931, 22164, 27908, 33246, 41862, 62793, 66492, 83724, 86809, 125586, 173618, 251172, 260427, 327919, 347236, 520854, 655838, 781281, 983757, 1041708, 1311676, 1562562, 1967514, 2951271, 3125124, 3935028, 5902542, 11805084, 12886519, 25773038, 38659557, 51546076, 77319114, 115978671, 154638228, 231957342, 463914684, 605666393, 1211332786, 1816999179, 2422665572, 3633998358, 5450997537, 7267996716, 10901995074, 21803990148]

約数ペア:

[(1, 21803990148), (2, 10901995074), (3, 7267996716), (4, 5450997537), (6, 3633998358), (9, 2422665572), (12, 1816999179), (18, 1211332786), (36, 605666393), (47, 463914684), (94, 231957342), (141, 154638228), (188, 115978671), (282, 77319114), (423, 51546076), (564, 38659557), (846, 25773038), (1692, 12886519), (1847, 11805084), (3694, 5902542), (5541, 3935028), (6977, 3125124), (7388, 2951271), (11082, 1967514), (13954, 1562562), (16623, 1311676), (20931, 1041708), (22164, 983757), (27908, 781281), (33246, 655838), (41862, 520854), (62793, 347236), (66492, 327919), (83724, 260427), (86809, 251172), (125586, 173618)]