21550410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43445430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 395, 433, 474, 553, 630, 711, 790, 866, 1106, 1185, 1299, 1422, 1659, 2165, 2370, 2598, 2765, 3031, 3318, 3555, 3897, 4330, 4977, 5530, 6062, 6495, 7110, 7794, 8295, 9093, 9954, 12990, 15155, 16590, 18186, 19485, 24885, 27279, 30310, 34207, 38970, 45465, 49770, 54558, 68414, 90930, 102621, 136395, 171035, 205242, 239449, 272790, 307863, 342070, 478898, 513105, 615726, 718347, 1026210, 1197245, 1436694, 1539315, 2155041, 2394490, 3078630, 3591735, 4310082, 7183470, 10775205, 21550410]

約数ペア:

[(1, 21550410), (2, 10775205), (3, 7183470), (5, 4310082), (6, 3591735), (7, 3078630), (9, 2394490), (10, 2155041), (14, 1539315), (15, 1436694), (18, 1197245), (21, 1026210), (30, 718347), (35, 615726), (42, 513105), (45, 478898), (63, 342070), (70, 307863), (79, 272790), (90, 239449), (105, 205242), (126, 171035), (158, 136395), (210, 102621), (237, 90930), (315, 68414), (395, 54558), (433, 49770), (474, 45465), (553, 38970), (630, 34207), (711, 30310), (790, 27279), (866, 24885), (1106, 19485), (1185, 18186), (1299, 16590), (1422, 15155), (1659, 12990), (2165, 9954), (2370, 9093), (2598, 8295), (2765, 7794), (3031, 7110), (3318, 6495), (3555, 6062), (3897, 5530), (4330, 4977)]