21003420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9461}}^1$

素因数の和:9510

約数の個数: 48

約数和(自身を含む): 60405408

約数和(自身を除く): 39401988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9461, 18922, 28383, 37844, 47305, 56766, 94610, 113532, 141915, 189220, 283830, 350057, 567660, 700114, 1050171, 1400228, 1750285, 2100342, 3500570, 4200684, 5250855, 7001140, 10501710, 21003420]

約数ペア:

[(1, 21003420), (2, 10501710), (3, 7001140), (4, 5250855), (5, 4200684), (6, 3500570), (10, 2100342), (12, 1750285), (15, 1400228), (20, 1050171), (30, 700114), (37, 567660), (60, 350057), (74, 283830), (111, 189220), (148, 141915), (185, 113532), (222, 94610), (370, 56766), (444, 47305), (555, 37844), (740, 28383), (1110, 18922), (2220, 9461)]