21226010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 23287270

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 229, 230, 299, 310, 403, 458, 598, 713, 806, 1145, 1426, 1495, 2015, 2290, 2977, 2990, 3565, 4030, 5267, 5954, 7099, 7130, 9269, 10534, 14198, 14885, 18538, 26335, 29770, 35495, 46345, 52670, 68471, 70990, 92287, 92690, 136942, 163277, 184574, 326554, 342355, 461435, 684710, 816385, 922870, 1632770, 2122601, 4245202, 10613005, 21226010]

約数ペア:

[(1, 21226010), (2, 10613005), (5, 4245202), (10, 2122601), (13, 1632770), (23, 922870), (26, 816385), (31, 684710), (46, 461435), (62, 342355), (65, 326554), (115, 184574), (130, 163277), (155, 136942), (229, 92690), (230, 92287), (299, 70990), (310, 68471), (403, 52670), (458, 46345), (598, 35495), (713, 29770), (806, 26335), (1145, 18538), (1426, 14885), (1495, 14198), (2015, 10534), (2290, 9269), (2977, 7130), (2990, 7099), (3565, 5954), (4030, 5267)]