21012510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41201}}^1$

素因数の和:41228

約数の個数: 32

約数和(自身を含む): 53397792

約数和(自身を除く): 32385282

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41201, 82402, 123603, 206005, 247206, 412010, 618015, 700417, 1236030, 1400834, 2101251, 3502085, 4202502, 7004170, 10506255, 21012510]

約数ペア:

[(1, 21012510), (2, 10506255), (3, 7004170), (5, 4202502), (6, 3502085), (10, 2101251), (15, 1400834), (17, 1236030), (30, 700417), (34, 618015), (51, 412010), (85, 247206), (102, 206005), (170, 123603), (255, 82402), (510, 41201)]