21036030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 53982720

約数和(自身を除く): 32946690

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 709, 989, 1290, 1418, 1978, 2127, 2967, 3545, 4254, 4945, 5934, 7090, 9890, 10635, 14835, 16307, 21270, 29670, 30487, 32614, 48921, 60974, 81535, 91461, 97842, 152435, 163070, 182922, 244605, 304870, 457305, 489210, 701201, 914610, 1402402, 2103603, 3506005, 4207206, 7012010, 10518015, 21036030]

約数ペア:

[(1, 21036030), (2, 10518015), (3, 7012010), (5, 4207206), (6, 3506005), (10, 2103603), (15, 1402402), (23, 914610), (30, 701201), (43, 489210), (46, 457305), (69, 304870), (86, 244605), (115, 182922), (129, 163070), (138, 152435), (215, 97842), (230, 91461), (258, 81535), (345, 60974), (430, 48921), (645, 32614), (690, 30487), (709, 29670), (989, 21270), (1290, 16307), (1418, 14835), (1978, 10635), (2127, 9890), (2967, 7090), (3545, 5934), (4254, 4945)]