21639366840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1981627}}^1$

素因数の和:1981661

約数の個数: 128

約数和(自身を含む): 79899240960

約数和(自身を除く): 58259874120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1981627, 3963254, 5944881, 7926508, 9908135, 11889762, 13871389, 15853016, 19816270, 23779524, 25761151, 27742778, 29724405, 39632540, 41614167, 47559048, 51522302, 55485556, 59448810, 69356945, 77283453, 79265080, 83228334, 103044604, 110971112, 118897620, 128805755, 138713890, 154566906, 166456668, 180328057, 206089208, 208070835, 237795240, 257611510, 277427780, 309133812, 332913336, 360656114, 386417265, 416141670, 515223020, 540984171, 554855560, 618267624, 721312228, 772834530, 832283340, 901640285, 1030446040, 1081968342, 1442624456, 1545669060, 1664566680, 1803280570, 2163936684, 2704920855, 3091338120, 3606561140, 4327873368, 5409841710, 7213122280, 10819683420, 21639366840]

約数ペア:

[(1, 21639366840), (2, 10819683420), (3, 7213122280), (4, 5409841710), (5, 4327873368), (6, 3606561140), (7, 3091338120), (8, 2704920855), (10, 2163936684), (12, 1803280570), (13, 1664566680), (14, 1545669060), (15, 1442624456), (20, 1081968342), (21, 1030446040), (24, 901640285), (26, 832283340), (28, 772834530), (30, 721312228), (35, 618267624), (39, 554855560), (40, 540984171), (42, 515223020), (52, 416141670), (56, 386417265), (60, 360656114), (65, 332913336), (70, 309133812), (78, 277427780), (84, 257611510), (91, 237795240), (104, 208070835), (105, 206089208), (120, 180328057), (130, 166456668), (140, 154566906), (156, 138713890), (168, 128805755), (182, 118897620), (195, 110971112), (210, 103044604), (260, 83228334), (273, 79265080), (280, 77283453), (312, 69356945), (364, 59448810), (390, 55485556), (420, 51522302), (455, 47559048), (520, 41614167), (546, 39632540), (728, 29724405), (780, 27742778), (840, 25761151), (910, 23779524), (1092, 19816270), (1365, 15853016), (1560, 13871389), (1820, 11889762), (2184, 9908135), (2730, 7926508), (3640, 5944881), (5460, 3963254), (10920, 1981627)]