21422580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^2$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 61723872

約数和(自身を除く): 40301292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 73, 134, 146, 201, 219, 268, 292, 335, 365, 402, 438, 670, 730, 804, 876, 1005, 1095, 1340, 1460, 2010, 2190, 4020, 4380, 4891, 5329, 9782, 10658, 14673, 15987, 19564, 21316, 24455, 26645, 29346, 31974, 48910, 53290, 58692, 63948, 73365, 79935, 97820, 106580, 146730, 159870, 293460, 319740, 357043, 714086, 1071129, 1428172, 1785215, 2142258, 3570430, 4284516, 5355645, 7140860, 10711290, 21422580]

約数ペア:

[(1, 21422580), (2, 10711290), (3, 7140860), (4, 5355645), (5, 4284516), (6, 3570430), (10, 2142258), (12, 1785215), (15, 1428172), (20, 1071129), (30, 714086), (60, 357043), (67, 319740), (73, 293460), (134, 159870), (146, 146730), (201, 106580), (219, 97820), (268, 79935), (292, 73365), (335, 63948), (365, 58692), (402, 53290), (438, 48910), (670, 31974), (730, 29346), (804, 26645), (876, 24455), (1005, 21316), (1095, 19564), (1340, 15987), (1460, 14673), (2010, 10658), (2190, 9782), (4020, 5329), (4380, 4891)]