21931910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 54123552

約数和(自身を除く): 32191642

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 130, 143, 154, 182, 245, 286, 313, 385, 455, 490, 539, 626, 637, 715, 770, 910, 1001, 1078, 1274, 1430, 1565, 2002, 2191, 2695, 3130, 3185, 3443, 4069, 4382, 5005, 5390, 6370, 6886, 7007, 8138, 10010, 10955, 14014, 15337, 17215, 20345, 21910, 24101, 28483, 30674, 34430, 35035, 40690, 44759, 48202, 56966, 70070, 76685, 89518, 120505, 142415, 153370, 168707, 199381, 223795, 241010, 284830, 313313, 337414, 398762, 447590, 626626, 843535, 996905, 1566565, 1687070, 1993810, 2193191, 3133130, 4386382, 10965955, 21931910]

約数ペア:

[(1, 21931910), (2, 10965955), (5, 4386382), (7, 3133130), (10, 2193191), (11, 1993810), (13, 1687070), (14, 1566565), (22, 996905), (26, 843535), (35, 626626), (49, 447590), (55, 398762), (65, 337414), (70, 313313), (77, 284830), (91, 241010), (98, 223795), (110, 199381), (130, 168707), (143, 153370), (154, 142415), (182, 120505), (245, 89518), (286, 76685), (313, 70070), (385, 56966), (455, 48202), (490, 44759), (539, 40690), (626, 35035), (637, 34430), (715, 30674), (770, 28483), (910, 24101), (1001, 21910), (1078, 20345), (1274, 17215), (1430, 15337), (1565, 14014), (2002, 10955), (2191, 10010), (2695, 8138), (3130, 7007), (3185, 6886), (3443, 6370), (4069, 5390), (4382, 5005)]