21926340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 66976728

約数和(自身を除く): 45050388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 673, 724, 905, 1086, 1346, 1629, 1810, 2019, 2172, 2692, 2715, 3258, 3365, 3620, 4038, 5430, 6057, 6516, 6730, 8076, 8145, 10095, 10860, 12114, 13460, 16290, 20190, 24228, 30285, 32580, 40380, 60570, 121140, 121813, 243626, 365439, 487252, 609065, 730878, 1096317, 1218130, 1461756, 1827195, 2192634, 2436260, 3654390, 4385268, 5481585, 7308780, 10963170, 21926340]

約数ペア:

[(1, 21926340), (2, 10963170), (3, 7308780), (4, 5481585), (5, 4385268), (6, 3654390), (9, 2436260), (10, 2192634), (12, 1827195), (15, 1461756), (18, 1218130), (20, 1096317), (30, 730878), (36, 609065), (45, 487252), (60, 365439), (90, 243626), (180, 121813), (181, 121140), (362, 60570), (543, 40380), (673, 32580), (724, 30285), (905, 24228), (1086, 20190), (1346, 16290), (1629, 13460), (1810, 12114), (2019, 10860), (2172, 10095), (2692, 8145), (2715, 8076), (3258, 6730), (3365, 6516), (3620, 6057), (4038, 5430)]