21167610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 31864710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 122, 129, 183, 215, 258, 269, 305, 366, 430, 538, 610, 645, 807, 915, 1290, 1345, 1614, 1830, 2623, 2690, 4035, 5246, 7869, 8070, 11567, 13115, 15738, 16409, 23134, 26230, 32818, 34701, 39345, 49227, 57835, 69402, 78690, 82045, 98454, 115670, 164090, 173505, 246135, 347010, 492270, 705587, 1411174, 2116761, 3527935, 4233522, 7055870, 10583805, 21167610]

約数ペア:

[(1, 21167610), (2, 10583805), (3, 7055870), (5, 4233522), (6, 3527935), (10, 2116761), (15, 1411174), (30, 705587), (43, 492270), (61, 347010), (86, 246135), (122, 173505), (129, 164090), (183, 115670), (215, 98454), (258, 82045), (269, 78690), (305, 69402), (366, 57835), (430, 49227), (538, 39345), (610, 34701), (645, 32818), (807, 26230), (915, 23134), (1290, 16409), (1345, 15738), (1614, 13115), (1830, 11567), (2623, 8070), (2690, 7869), (4035, 5246)]