21853450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 43854336

約数和(自身を除く): 22000886

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 575, 613, 713, 775, 1150, 1226, 1426, 1550, 3065, 3565, 6130, 7130, 14099, 15325, 17825, 19003, 28198, 30650, 35650, 38006, 70495, 95015, 140990, 190030, 352475, 437069, 475075, 704950, 874138, 950150, 2185345, 4370690, 10926725, 21853450]

約数ペア:

[(1, 21853450), (2, 10926725), (5, 4370690), (10, 2185345), (23, 950150), (25, 874138), (31, 704950), (46, 475075), (50, 437069), (62, 352475), (115, 190030), (155, 140990), (230, 95015), (310, 70495), (575, 38006), (613, 35650), (713, 30650), (775, 28198), (1150, 19003), (1226, 17825), (1426, 15325), (1550, 14099), (3065, 7130), (3565, 6130)]