21116070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^2$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 57861648

約数和(自身を除く): 36745578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 101, 115, 138, 202, 207, 230, 303, 345, 414, 505, 606, 690, 909, 1010, 1035, 1515, 1818, 2070, 2323, 3030, 4545, 4646, 6969, 9090, 10201, 11615, 13938, 20402, 20907, 23230, 30603, 34845, 41814, 51005, 61206, 69690, 91809, 102010, 104535, 153015, 183618, 209070, 234623, 306030, 459045, 469246, 703869, 918090, 1173115, 1407738, 2111607, 2346230, 3519345, 4223214, 7038690, 10558035, 21116070]

約数ペア:

[(1, 21116070), (2, 10558035), (3, 7038690), (5, 4223214), (6, 3519345), (9, 2346230), (10, 2111607), (15, 1407738), (18, 1173115), (23, 918090), (30, 703869), (45, 469246), (46, 459045), (69, 306030), (90, 234623), (101, 209070), (115, 183618), (138, 153015), (202, 104535), (207, 102010), (230, 91809), (303, 69690), (345, 61206), (414, 51005), (505, 41814), (606, 34845), (690, 30603), (909, 23230), (1010, 20907), (1035, 20402), (1515, 13938), (1818, 11615), (2070, 10201), (2323, 9090), (3030, 6969), (4545, 4646)]