21012048

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 100

約数和(自身を含む): 62896768

約数和(自身を除く): 41884720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 248, 279, 324, 372, 432, 496, 523, 558, 648, 744, 837, 1046, 1116, 1296, 1488, 1569, 1674, 2092, 2232, 2511, 3138, 3348, 4184, 4464, 4707, 5022, 6276, 6696, 8368, 9414, 10044, 12552, 13392, 14121, 16213, 18828, 20088, 25104, 28242, 32426, 37656, 40176, 42363, 48639, 56484, 64852, 75312, 84726, 97278, 112968, 129704, 145917, 169452, 194556, 225936, 259408, 291834, 338904, 389112, 437751, 583668, 677808, 778224, 875502, 1167336, 1313253, 1751004, 2334672, 2626506, 3502008, 5253012, 7004016, 10506024, 21012048]

約数ペア:

[(1, 21012048), (2, 10506024), (3, 7004016), (4, 5253012), (6, 3502008), (8, 2626506), (9, 2334672), (12, 1751004), (16, 1313253), (18, 1167336), (24, 875502), (27, 778224), (31, 677808), (36, 583668), (48, 437751), (54, 389112), (62, 338904), (72, 291834), (81, 259408), (93, 225936), (108, 194556), (124, 169452), (144, 145917), (162, 129704), (186, 112968), (216, 97278), (248, 84726), (279, 75312), (324, 64852), (372, 56484), (432, 48639), (496, 42363), (523, 40176), (558, 37656), (648, 32426), (744, 28242), (837, 25104), (1046, 20088), (1116, 18828), (1296, 16213), (1488, 14121), (1569, 13392), (1674, 12552), (2092, 10044), (2232, 9414), (2511, 8368), (3138, 6696), (3348, 6276), (4184, 5022), (4464, 4707)]