21893040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2371

約数の個数: 120

約数和(自身を含む): 79213680

約数和(自身を除く): 57320640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2339, 2340, 3120, 4678, 4680, 7017, 9356, 9360, 11695, 14034, 18712, 21051, 23390, 28068, 30407, 35085, 37424, 42102, 46780, 56136, 60814, 70170, 84204, 91221, 93560, 105255, 112272, 121628, 140340, 152035, 168408, 182442, 187120, 210510, 243256, 273663, 280680, 304070, 336816, 364884, 421020, 456105, 486512, 547326, 561360, 608140, 729768, 842040, 912210, 1094652, 1216280, 1368315, 1459536, 1684080, 1824420, 2189304, 2432560, 2736630, 3648840, 4378608, 5473260, 7297680, 10946520, 21893040]

約数ペア:

[(1, 21893040), (2, 10946520), (3, 7297680), (4, 5473260), (5, 4378608), (6, 3648840), (8, 2736630), (9, 2432560), (10, 2189304), (12, 1824420), (13, 1684080), (15, 1459536), (16, 1368315), (18, 1216280), (20, 1094652), (24, 912210), (26, 842040), (30, 729768), (36, 608140), (39, 561360), (40, 547326), (45, 486512), (48, 456105), (52, 421020), (60, 364884), (65, 336816), (72, 304070), (78, 280680), (80, 273663), (90, 243256), (104, 210510), (117, 187120), (120, 182442), (130, 168408), (144, 152035), (156, 140340), (180, 121628), (195, 112272), (208, 105255), (234, 93560), (240, 91221), (260, 84204), (312, 70170), (360, 60814), (390, 56136), (468, 46780), (520, 42102), (585, 37424), (624, 35085), (720, 30407), (780, 28068), (936, 23390), (1040, 21051), (1170, 18712), (1560, 14034), (1872, 11695), (2339, 9360), (2340, 9356), (3120, 7017), (4678, 4680)]