21851640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20233}}^1$

素因数の和:20253

約数の個数: 64

約数和(自身を含む): 72842400

約数和(自身を除く): 50990760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20233, 40466, 60699, 80932, 101165, 121398, 161864, 182097, 202330, 242796, 303495, 364194, 404660, 485592, 546291, 606990, 728388, 809320, 910485, 1092582, 1213980, 1456776, 1820970, 2185164, 2427960, 2731455, 3641940, 4370328, 5462910, 7283880, 10925820, 21851640]

約数ペア:

[(1, 21851640), (2, 10925820), (3, 7283880), (4, 5462910), (5, 4370328), (6, 3641940), (8, 2731455), (9, 2427960), (10, 2185164), (12, 1820970), (15, 1456776), (18, 1213980), (20, 1092582), (24, 910485), (27, 809320), (30, 728388), (36, 606990), (40, 546291), (45, 485592), (54, 404660), (60, 364194), (72, 303495), (90, 242796), (108, 202330), (120, 182097), (135, 161864), (180, 121398), (216, 101165), (270, 80932), (360, 60699), (540, 40466), (1080, 20233)]