21972780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2143

約数の個数: 72

約数和(自身を含む): 67813200

約数和(自身を除く): 45840420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2069, 2124, 2655, 3540, 4138, 5310, 6207, 8276, 10345, 10620, 12414, 18621, 20690, 24828, 31035, 37242, 41380, 62070, 74484, 93105, 122071, 124140, 186210, 244142, 366213, 372420, 488284, 610355, 732426, 1098639, 1220710, 1464852, 1831065, 2197278, 2441420, 3662130, 4394556, 5493195, 7324260, 10986390, 21972780]

約数ペア:

[(1, 21972780), (2, 10986390), (3, 7324260), (4, 5493195), (5, 4394556), (6, 3662130), (9, 2441420), (10, 2197278), (12, 1831065), (15, 1464852), (18, 1220710), (20, 1098639), (30, 732426), (36, 610355), (45, 488284), (59, 372420), (60, 366213), (90, 244142), (118, 186210), (177, 124140), (180, 122071), (236, 93105), (295, 74484), (354, 62070), (531, 41380), (590, 37242), (708, 31035), (885, 24828), (1062, 20690), (1180, 18621), (1770, 12414), (2069, 10620), (2124, 10345), (2655, 8276), (3540, 6207), (4138, 5310)]