21237570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 58406400

約数和(自身を除く): 37168830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 79, 87, 90, 103, 145, 158, 174, 206, 237, 261, 290, 309, 395, 435, 474, 515, 522, 618, 711, 790, 870, 927, 1030, 1185, 1305, 1422, 1545, 1854, 2291, 2370, 2610, 2987, 3090, 3555, 4582, 4635, 5974, 6873, 7110, 8137, 8961, 9270, 11455, 13746, 14935, 16274, 17922, 20619, 22910, 24411, 26883, 29870, 34365, 40685, 41238, 44805, 48822, 53766, 68730, 73233, 81370, 89610, 103095, 122055, 134415, 146466, 206190, 235973, 244110, 268830, 366165, 471946, 707919, 732330, 1179865, 1415838, 2123757, 2359730, 3539595, 4247514, 7079190, 10618785, 21237570]

約数ペア:

[(1, 21237570), (2, 10618785), (3, 7079190), (5, 4247514), (6, 3539595), (9, 2359730), (10, 2123757), (15, 1415838), (18, 1179865), (29, 732330), (30, 707919), (45, 471946), (58, 366165), (79, 268830), (87, 244110), (90, 235973), (103, 206190), (145, 146466), (158, 134415), (174, 122055), (206, 103095), (237, 89610), (261, 81370), (290, 73233), (309, 68730), (395, 53766), (435, 48822), (474, 44805), (515, 41238), (522, 40685), (618, 34365), (711, 29870), (790, 26883), (870, 24411), (927, 22910), (1030, 20619), (1185, 17922), (1305, 16274), (1422, 14935), (1545, 13746), (1854, 11455), (2291, 9270), (2370, 8961), (2610, 8137), (2987, 7110), (3090, 6873), (3555, 5974), (4582, 4635)]