21410190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 36132210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 179, 270, 358, 443, 537, 886, 895, 1074, 1329, 1611, 1790, 2215, 2658, 2685, 3222, 3987, 4430, 4833, 5370, 6645, 7974, 8055, 9666, 11961, 13290, 16110, 19935, 23922, 24165, 39870, 48330, 59805, 79297, 119610, 158594, 237891, 396485, 475782, 713673, 792970, 1189455, 1427346, 2141019, 2378910, 3568365, 4282038, 7136730, 10705095, 21410190]

約数ペア:

[(1, 21410190), (2, 10705095), (3, 7136730), (5, 4282038), (6, 3568365), (9, 2378910), (10, 2141019), (15, 1427346), (18, 1189455), (27, 792970), (30, 713673), (45, 475782), (54, 396485), (90, 237891), (135, 158594), (179, 119610), (270, 79297), (358, 59805), (443, 48330), (537, 39870), (886, 24165), (895, 23922), (1074, 19935), (1329, 16110), (1611, 13290), (1790, 11961), (2215, 9666), (2658, 8055), (2685, 7974), (3222, 6645), (3987, 5370), (4430, 4833)]