21545150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 23237698

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 911, 946, 1075, 1822, 2150, 2365, 4555, 4730, 9110, 10021, 11825, 20042, 22775, 23650, 39173, 45550, 50105, 78346, 100210, 195865, 250525, 391730, 430903, 501050, 861806, 979325, 1958650, 2154515, 4309030, 10772575, 21545150]

約数ペア:

[(1, 21545150), (2, 10772575), (5, 4309030), (10, 2154515), (11, 1958650), (22, 979325), (25, 861806), (43, 501050), (50, 430903), (55, 391730), (86, 250525), (110, 195865), (215, 100210), (275, 78346), (430, 50105), (473, 45550), (550, 39173), (911, 23650), (946, 22775), (1075, 20042), (1822, 11825), (2150, 10021), (2365, 9110), (4555, 4730)]