21799260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 79564800

約数和(自身を除く): 57765540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 79, 84, 90, 105, 108, 126, 135, 140, 146, 158, 180, 189, 210, 219, 237, 252, 270, 292, 315, 316, 365, 378, 395, 420, 438, 474, 511, 540, 553, 630, 657, 711, 730, 756, 790, 876, 945, 948, 1022, 1095, 1106, 1185, 1260, 1314, 1422, 1460, 1533, 1580, 1659, 1890, 1971, 2044, 2133, 2190, 2212, 2370, 2555, 2628, 2765, 2844, 3066, 3285, 3318, 3555, 3780, 3942, 4266, 4380, 4599, 4740, 4977, 5110, 5530, 5767, 6132, 6570, 6636, 7110, 7665, 7884, 8295, 8532, 9198, 9855, 9954, 10220, 10665, 11060, 11534, 13140, 13797, 14220, 14931, 15330, 16590, 17301, 18396, 19710, 19908, 21330, 22995, 23068, 24885, 27594, 28835, 29862, 30660, 33180, 34602, 39420, 40369, 42660, 45990, 49770, 51903, 55188, 57670, 59724, 68985, 69204, 74655, 80738, 86505, 91980, 99540, 103806, 115340, 121107, 137970, 149310, 155709, 161476, 173010, 201845, 207612, 242214, 259515, 275940, 298620, 311418, 346020, 363321, 403690, 484428, 519030, 605535, 622836, 726642, 778545, 807380, 1038060, 1089963, 1211070, 1453284, 1557090, 1816605, 2179926, 2422140, 3114180, 3633210, 4359852, 5449815, 7266420, 10899630, 21799260]

約数ペア:

[(1, 21799260), (2, 10899630), (3, 7266420), (4, 5449815), (5, 4359852), (6, 3633210), (7, 3114180), (9, 2422140), (10, 2179926), (12, 1816605), (14, 1557090), (15, 1453284), (18, 1211070), (20, 1089963), (21, 1038060), (27, 807380), (28, 778545), (30, 726642), (35, 622836), (36, 605535), (42, 519030), (45, 484428), (54, 403690), (60, 363321), (63, 346020), (70, 311418), (73, 298620), (79, 275940), (84, 259515), (90, 242214), (105, 207612), (108, 201845), (126, 173010), (135, 161476), (140, 155709), (146, 149310), (158, 137970), (180, 121107), (189, 115340), (210, 103806), (219, 99540), (237, 91980), (252, 86505), (270, 80738), (292, 74655), (315, 69204), (316, 68985), (365, 59724), (378, 57670), (395, 55188), (420, 51903), (438, 49770), (474, 45990), (511, 42660), (540, 40369), (553, 39420), (630, 34602), (657, 33180), (711, 30660), (730, 29862), (756, 28835), (790, 27594), (876, 24885), (945, 23068), (948, 22995), (1022, 21330), (1095, 19908), (1106, 19710), (1185, 18396), (1260, 17301), (1314, 16590), (1422, 15330), (1460, 14931), (1533, 14220), (1580, 13797), (1659, 13140), (1890, 11534), (1971, 11060), (2044, 10665), (2133, 10220), (2190, 9954), (2212, 9855), (2370, 9198), (2555, 8532), (2628, 8295), (2765, 7884), (2844, 7665), (3066, 7110), (3285, 6636), (3318, 6570), (3555, 6132), (3780, 5767), (3942, 5530), (4266, 5110), (4380, 4977), (4599, 4740)]