21941970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17839}}^1$

素因数の和:17890

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 32006190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17839, 35678, 53517, 89195, 107034, 178390, 267585, 535170, 731399, 1462798, 2194197, 3656995, 4388394, 7313990, 10970985, 21941970]

約数ペア:

[(1, 21941970), (2, 10970985), (3, 7313990), (5, 4388394), (6, 3656995), (10, 2194197), (15, 1462798), (30, 731399), (41, 535170), (82, 267585), (123, 178390), (205, 107034), (246, 89195), (410, 53517), (615, 35678), (1230, 17839)]