21662004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 41559756

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 83, 84, 91, 156, 166, 182, 239, 249, 273, 332, 364, 478, 498, 546, 581, 717, 956, 996, 1079, 1092, 1162, 1434, 1673, 1743, 2158, 2324, 2868, 3107, 3237, 3346, 3486, 4316, 5019, 6214, 6474, 6692, 6972, 7553, 9321, 10038, 12428, 12948, 15106, 18642, 19837, 20076, 21749, 22659, 30212, 37284, 39674, 43498, 45318, 59511, 65247, 79348, 86996, 90636, 119022, 130494, 138859, 238044, 257881, 260988, 277718, 416577, 515762, 555436, 773643, 833154, 1031524, 1547286, 1666308, 1805167, 3094572, 3610334, 5415501, 7220668, 10831002, 21662004]

約数ペア:

[(1, 21662004), (2, 10831002), (3, 7220668), (4, 5415501), (6, 3610334), (7, 3094572), (12, 1805167), (13, 1666308), (14, 1547286), (21, 1031524), (26, 833154), (28, 773643), (39, 555436), (42, 515762), (52, 416577), (78, 277718), (83, 260988), (84, 257881), (91, 238044), (156, 138859), (166, 130494), (182, 119022), (239, 90636), (249, 86996), (273, 79348), (332, 65247), (364, 59511), (478, 45318), (498, 43498), (546, 39674), (581, 37284), (717, 30212), (956, 22659), (996, 21749), (1079, 20076), (1092, 19837), (1162, 18642), (1434, 15106), (1673, 12948), (1743, 12428), (2158, 10038), (2324, 9321), (2868, 7553), (3107, 6972), (3237, 6692), (3346, 6474), (3486, 6214), (4316, 5019)]