22721370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 62712576

約数和(自身を除く): 39991206

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 421, 514, 771, 842, 1263, 1285, 1542, 1799, 2105, 2526, 2570, 2947, 3598, 3855, 4210, 5397, 5894, 6315, 7710, 8841, 8995, 10794, 12630, 14735, 17682, 17990, 26985, 29470, 44205, 53970, 88410, 108197, 216394, 324591, 540985, 649182, 757379, 1081970, 1514758, 1622955, 2272137, 3245910, 3786895, 4544274, 7573790, 11360685, 22721370]

約数ペア:

[(1, 22721370), (2, 11360685), (3, 7573790), (5, 4544274), (6, 3786895), (7, 3245910), (10, 2272137), (14, 1622955), (15, 1514758), (21, 1081970), (30, 757379), (35, 649182), (42, 540985), (70, 324591), (105, 216394), (210, 108197), (257, 88410), (421, 53970), (514, 44205), (771, 29470), (842, 26985), (1263, 17990), (1285, 17682), (1542, 14735), (1799, 12630), (2105, 10794), (2526, 8995), (2570, 8841), (2947, 7710), (3598, 6315), (3855, 5894), (4210, 5397)]