21404904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 37744536

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 552, 782, 1173, 1564, 2281, 2346, 3128, 4562, 4692, 6843, 9124, 9384, 13686, 18248, 27372, 38777, 52463, 54744, 77554, 104926, 116331, 155108, 157389, 209852, 232662, 310216, 314778, 419704, 465324, 629556, 891871, 930648, 1259112, 1783742, 2675613, 3567484, 5351226, 7134968, 10702452, 21404904]

約数ペア:

[(1, 21404904), (2, 10702452), (3, 7134968), (4, 5351226), (6, 3567484), (8, 2675613), (12, 1783742), (17, 1259112), (23, 930648), (24, 891871), (34, 629556), (46, 465324), (51, 419704), (68, 314778), (69, 310216), (92, 232662), (102, 209852), (136, 157389), (138, 155108), (184, 116331), (204, 104926), (276, 77554), (391, 54744), (408, 52463), (552, 38777), (782, 27372), (1173, 18248), (1564, 13686), (2281, 9384), (2346, 9124), (3128, 6843), (4562, 4692)]