21238185420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{727}}^1\times {\mathrm{6011}}^1$

素因数の和:6762

約数の個数: 144

約数和(自身を含む): 66911539968

約数和(自身を除く): 45673354548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 727, 810, 972, 1215, 1454, 1620, 2181, 2430, 2908, 3635, 4362, 4860, 6011, 6543, 7270, 8724, 10905, 12022, 13086, 14540, 18033, 19629, 21810, 24044, 26172, 30055, 32715, 36066, 39258, 43620, 54099, 58887, 60110, 65430, 72132, 78516, 90165, 98145, 108198, 117774, 120220, 130860, 162297, 176661, 180330, 196290, 216396, 235548, 270495, 294435, 324594, 353322, 360660, 392580, 486891, 540990, 588870, 649188, 706644, 811485, 883305, 973782, 1081980, 1177740, 1460673, 1622970, 1766610, 1947564, 2434455, 2921346, 3245940, 3533220, 4369997, 4868910, 5842692, 7303365, 8739994, 9737820, 13109991, 14606730, 17479988, 21849985, 26219982, 29213460, 39329973, 43699970, 52439964, 65549955, 78659946, 87399940, 117989919, 131099910, 157319892, 196649865, 235979838, 262199820, 353969757, 393299730, 471959676, 589949595, 707939514, 786599460, 1061909271, 1179899190, 1415879028, 1769848785, 2123818542, 2359798380, 3539697570, 4247637084, 5309546355, 7079395140, 10619092710, 21238185420]

約数ペア:

[(1, 21238185420), (2, 10619092710), (3, 7079395140), (4, 5309546355), (5, 4247637084), (6, 3539697570), (9, 2359798380), (10, 2123818542), (12, 1769848785), (15, 1415879028), (18, 1179899190), (20, 1061909271), (27, 786599460), (30, 707939514), (36, 589949595), (45, 471959676), (54, 393299730), (60, 353969757), (81, 262199820), (90, 235979838), (108, 196649865), (135, 157319892), (162, 131099910), (180, 117989919), (243, 87399940), (270, 78659946), (324, 65549955), (405, 52439964), (486, 43699970), (540, 39329973), (727, 29213460), (810, 26219982), (972, 21849985), (1215, 17479988), (1454, 14606730), (1620, 13109991), (2181, 9737820), (2430, 8739994), (2908, 7303365), (3635, 5842692), (4362, 4868910), (4860, 4369997), (6011, 3533220), (6543, 3245940), (7270, 2921346), (8724, 2434455), (10905, 1947564), (12022, 1766610), (13086, 1622970), (14540, 1460673), (18033, 1177740), (19629, 1081980), (21810, 973782), (24044, 883305), (26172, 811485), (30055, 706644), (32715, 649188), (36066, 588870), (39258, 540990), (43620, 486891), (54099, 392580), (58887, 360660), (60110, 353322), (65430, 324594), (72132, 294435), (78516, 270495), (90165, 235548), (98145, 216396), (108198, 196290), (117774, 180330), (120220, 176661), (130860, 162297)]