21351050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 46282752

約数和(自身を除く): 24931702

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1151, 1325, 1855, 2302, 2650, 3710, 5755, 8057, 9275, 11510, 16114, 18550, 28775, 40285, 57550, 61003, 80570, 122006, 201425, 305015, 402850, 427021, 610030, 854042, 1525075, 2135105, 3050150, 4270210, 10675525, 21351050]

約数ペア:

[(1, 21351050), (2, 10675525), (5, 4270210), (7, 3050150), (10, 2135105), (14, 1525075), (25, 854042), (35, 610030), (50, 427021), (53, 402850), (70, 305015), (106, 201425), (175, 122006), (265, 80570), (350, 61003), (371, 57550), (530, 40285), (742, 28775), (1151, 18550), (1325, 16114), (1855, 11510), (2302, 9275), (2650, 8057), (3710, 5755)]