21265230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{773}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 58848768

約数和(自身を除く): 37583538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 773, 786, 917, 1310, 1546, 1834, 1965, 2319, 2751, 3865, 3930, 4585, 4638, 5411, 5502, 7730, 9170, 10822, 11595, 13755, 16233, 23190, 27055, 27510, 32466, 54110, 81165, 101263, 162330, 202526, 303789, 506315, 607578, 708841, 1012630, 1417682, 1518945, 2126523, 3037890, 3544205, 4253046, 7088410, 10632615, 21265230]

約数ペア:

[(1, 21265230), (2, 10632615), (3, 7088410), (5, 4253046), (6, 3544205), (7, 3037890), (10, 2126523), (14, 1518945), (15, 1417682), (21, 1012630), (30, 708841), (35, 607578), (42, 506315), (70, 303789), (105, 202526), (131, 162330), (210, 101263), (262, 81165), (393, 54110), (655, 32466), (773, 27510), (786, 27055), (917, 23190), (1310, 16233), (1546, 13755), (1834, 11595), (1965, 10822), (2319, 9170), (2751, 7730), (3865, 5502), (3930, 5411), (4585, 4638)]