21000339345

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{941}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 34639073280

約数和(自身を除く): 13638733935

約数列:

[1, 3, 5, 15, 59, 151, 167, 177, 295, 453, 501, 755, 835, 885, 941, 2265, 2505, 2823, 4705, 8909, 9853, 14115, 25217, 26727, 29559, 44545, 49265, 55519, 75651, 126085, 133635, 142091, 147795, 157147, 166557, 277595, 378255, 426273, 471441, 710455, 785735, 832785, 1487803, 2131365, 2357205, 4463409, 7439015, 8383369, 9271673, 22317045, 23729197, 25150107, 27815019, 41916845, 46358365, 71187591, 118645985, 125750535, 139075095, 355937955, 1400022623, 4200067869, 7000113115, 21000339345]

約数ペア:

[(1, 21000339345), (3, 7000113115), (5, 4200067869), (15, 1400022623), (59, 355937955), (151, 139075095), (167, 125750535), (177, 118645985), (295, 71187591), (453, 46358365), (501, 41916845), (755, 27815019), (835, 25150107), (885, 23729197), (941, 22317045), (2265, 9271673), (2505, 8383369), (2823, 7439015), (4705, 4463409), (8909, 2357205), (9853, 2131365), (14115, 1487803), (25217, 832785), (26727, 785735), (29559, 710455), (44545, 471441), (49265, 426273), (55519, 378255), (75651, 277595), (126085, 166557), (133635, 157147), (142091, 147795)]