21149220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5261}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 60113088

約数和(自身を除く): 38963868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5261, 10522, 15783, 21044, 26305, 31566, 52610, 63132, 78915, 105220, 157830, 315660, 352487, 704974, 1057461, 1409948, 1762435, 2114922, 3524870, 4229844, 5287305, 7049740, 10574610, 21149220]

約数ペア:

[(1, 21149220), (2, 10574610), (3, 7049740), (4, 5287305), (5, 4229844), (6, 3524870), (10, 2114922), (12, 1762435), (15, 1409948), (20, 1057461), (30, 704974), (60, 352487), (67, 315660), (134, 157830), (201, 105220), (268, 78915), (335, 63132), (402, 52610), (670, 31566), (804, 26305), (1005, 21044), (1340, 15783), (2010, 10522), (4020, 5261)]