21373170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7829}}^1$

素因数の和:7859

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 41767950

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7829, 15658, 23487, 39145, 46974, 54803, 78290, 101777, 109606, 117435, 164409, 203554, 234870, 274015, 305331, 328818, 508885, 548030, 610662, 712439, 822045, 1017770, 1424878, 1526655, 1644090, 2137317, 3053310, 3562195, 4274634, 7124390, 10686585, 21373170]

約数ペア:

[(1, 21373170), (2, 10686585), (3, 7124390), (5, 4274634), (6, 3562195), (7, 3053310), (10, 2137317), (13, 1644090), (14, 1526655), (15, 1424878), (21, 1017770), (26, 822045), (30, 712439), (35, 610662), (39, 548030), (42, 508885), (65, 328818), (70, 305331), (78, 274015), (91, 234870), (105, 203554), (130, 164409), (182, 117435), (195, 109606), (210, 101777), (273, 78290), (390, 54803), (455, 46974), (546, 39145), (910, 23487), (1365, 15658), (2730, 7829)]