21208590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18127}}^1$

素因数の和:18153

約数の個数: 48

約数和(自身を含む): 59387328

約数和(自身を除く): 38178738

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18127, 36254, 54381, 90635, 108762, 163143, 181270, 235651, 271905, 326286, 471302, 543810, 706953, 815715, 1178255, 1413906, 1631430, 2120859, 2356510, 3534765, 4241718, 7069530, 10604295, 21208590]

約数ペア:

[(1, 21208590), (2, 10604295), (3, 7069530), (5, 4241718), (6, 3534765), (9, 2356510), (10, 2120859), (13, 1631430), (15, 1413906), (18, 1178255), (26, 815715), (30, 706953), (39, 543810), (45, 471302), (65, 326286), (78, 271905), (90, 235651), (117, 181270), (130, 163143), (195, 108762), (234, 90635), (390, 54381), (585, 36254), (1170, 18127)]