21437060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 25676860

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 491, 590, 740, 982, 1180, 1964, 2183, 2455, 4366, 4910, 8732, 9820, 10915, 18167, 21830, 28969, 36334, 43660, 57938, 72668, 90835, 115876, 144845, 181670, 289690, 363340, 579380, 1071853, 2143706, 4287412, 5359265, 10718530, 21437060]

約数ペア:

[(1, 21437060), (2, 10718530), (4, 5359265), (5, 4287412), (10, 2143706), (20, 1071853), (37, 579380), (59, 363340), (74, 289690), (118, 181670), (148, 144845), (185, 115876), (236, 90835), (295, 72668), (370, 57938), (491, 43660), (590, 36334), (740, 28969), (982, 21830), (1180, 18167), (1964, 10915), (2183, 9820), (2455, 8732), (4366, 4910)]