21335930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{229}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 48487680

約数和(自身を除く): 27151750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 229, 242, 385, 458, 605, 770, 847, 1145, 1210, 1331, 1603, 1694, 2290, 2519, 2662, 3206, 4235, 5038, 6655, 8015, 8470, 9317, 12595, 13310, 16030, 17633, 18634, 25190, 27709, 35266, 46585, 55418, 88165, 93170, 138545, 176330, 193963, 277090, 304799, 387926, 609598, 969815, 1523995, 1939630, 2133593, 3047990, 4267186, 10667965, 21335930]

約数ペア:

[(1, 21335930), (2, 10667965), (5, 4267186), (7, 3047990), (10, 2133593), (11, 1939630), (14, 1523995), (22, 969815), (35, 609598), (55, 387926), (70, 304799), (77, 277090), (110, 193963), (121, 176330), (154, 138545), (229, 93170), (242, 88165), (385, 55418), (458, 46585), (605, 35266), (770, 27709), (847, 25190), (1145, 18634), (1210, 17633), (1331, 16030), (1603, 13310), (1694, 12595), (2290, 9317), (2519, 8470), (2662, 8015), (3206, 6655), (4235, 5038)]