21864570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8039

約数の個数: 64

約数和(自身を含む): 64592640

約数和(自身を除く): 42728070

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 8009, 16018, 24027, 40045, 48054, 56063, 80090, 104117, 112126, 120135, 168189, 208234, 240270, 280315, 312351, 336378, 520585, 560630, 624702, 728819, 840945, 1041170, 1457638, 1561755, 1681890, 2186457, 3123510, 3644095, 4372914, 7288190, 10932285, 21864570]

約数ペア:

[(1, 21864570), (2, 10932285), (3, 7288190), (5, 4372914), (6, 3644095), (7, 3123510), (10, 2186457), (13, 1681890), (14, 1561755), (15, 1457638), (21, 1041170), (26, 840945), (30, 728819), (35, 624702), (39, 560630), (42, 520585), (65, 336378), (70, 312351), (78, 280315), (91, 240270), (105, 208234), (130, 168189), (182, 120135), (195, 112126), (210, 104117), (273, 80090), (390, 56063), (455, 48054), (546, 40045), (910, 24027), (1365, 16018), (2730, 8009)]