21774790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 43312320

約数和(自身を除く): 21537530

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5569, 11138, 27845, 55690, 94673, 128087, 189346, 256174, 473365, 640435, 946730, 1280870, 2177479, 4354958, 10887395, 21774790]

約数ペア:

[(1, 21774790), (2, 10887395), (5, 4354958), (10, 2177479), (17, 1280870), (23, 946730), (34, 640435), (46, 473365), (85, 256174), (115, 189346), (170, 128087), (230, 94673), (391, 55690), (782, 27845), (1955, 11138), (3910, 5569)]