21795210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 58838400

約数和(自身を除く): 37043190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 890, 907, 1335, 1602, 1814, 2403, 2670, 2721, 4005, 4535, 4806, 5442, 8010, 8163, 9070, 12015, 13605, 16326, 24030, 24489, 27210, 40815, 48978, 80723, 81630, 122445, 161446, 242169, 244890, 403615, 484338, 726507, 807230, 1210845, 1453014, 2179521, 2421690, 3632535, 4359042, 7265070, 10897605, 21795210]

約数ペア:

[(1, 21795210), (2, 10897605), (3, 7265070), (5, 4359042), (6, 3632535), (9, 2421690), (10, 2179521), (15, 1453014), (18, 1210845), (27, 807230), (30, 726507), (45, 484338), (54, 403615), (89, 244890), (90, 242169), (135, 161446), (178, 122445), (267, 81630), (270, 80723), (445, 48978), (534, 40815), (801, 27210), (890, 24489), (907, 24030), (1335, 16326), (1602, 13605), (1814, 12015), (2403, 9070), (2670, 8163), (2721, 8010), (4005, 5442), (4535, 4806)]