21824790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 57044736

約数和(自身を除く): 35219946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 107, 130, 195, 214, 321, 390, 523, 535, 642, 1046, 1070, 1391, 1569, 1605, 2615, 2782, 3138, 3210, 4173, 5230, 6799, 6955, 7845, 8346, 13598, 13910, 15690, 20397, 20865, 33995, 40794, 41730, 55961, 67990, 101985, 111922, 167883, 203970, 279805, 335766, 559610, 727493, 839415, 1454986, 1678830, 2182479, 3637465, 4364958, 7274930, 10912395, 21824790]

約数ペア:

[(1, 21824790), (2, 10912395), (3, 7274930), (5, 4364958), (6, 3637465), (10, 2182479), (13, 1678830), (15, 1454986), (26, 839415), (30, 727493), (39, 559610), (65, 335766), (78, 279805), (107, 203970), (130, 167883), (195, 111922), (214, 101985), (321, 67990), (390, 55961), (523, 41730), (535, 40794), (642, 33995), (1046, 20865), (1070, 20397), (1391, 15690), (1569, 13910), (1605, 13598), (2615, 8346), (2782, 7845), (3138, 6955), (3210, 6799), (4173, 5230)]