21643080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 68584320

約数和(自身を除く): 46941240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 53, 60, 82, 83, 106, 120, 123, 159, 164, 166, 205, 212, 246, 249, 265, 318, 328, 332, 410, 415, 424, 492, 498, 530, 615, 636, 664, 795, 820, 830, 984, 996, 1060, 1230, 1245, 1272, 1590, 1640, 1660, 1992, 2120, 2173, 2460, 2490, 3180, 3320, 3403, 4346, 4399, 4920, 4980, 6360, 6519, 6806, 8692, 8798, 9960, 10209, 10865, 13038, 13197, 13612, 17015, 17384, 17596, 20418, 21730, 21995, 26076, 26394, 27224, 32595, 34030, 35192, 40836, 43460, 43990, 51045, 52152, 52788, 65190, 65985, 68060, 81672, 86920, 87980, 102090, 105576, 130380, 131970, 136120, 175960, 180359, 204180, 260760, 263940, 360718, 408360, 527880, 541077, 721436, 901795, 1082154, 1442872, 1803590, 2164308, 2705385, 3607180, 4328616, 5410770, 7214360, 10821540, 21643080]

約数ペア:

[(1, 21643080), (2, 10821540), (3, 7214360), (4, 5410770), (5, 4328616), (6, 3607180), (8, 2705385), (10, 2164308), (12, 1803590), (15, 1442872), (20, 1082154), (24, 901795), (30, 721436), (40, 541077), (41, 527880), (53, 408360), (60, 360718), (82, 263940), (83, 260760), (106, 204180), (120, 180359), (123, 175960), (159, 136120), (164, 131970), (166, 130380), (205, 105576), (212, 102090), (246, 87980), (249, 86920), (265, 81672), (318, 68060), (328, 65985), (332, 65190), (410, 52788), (415, 52152), (424, 51045), (492, 43990), (498, 43460), (530, 40836), (615, 35192), (636, 34030), (664, 32595), (795, 27224), (820, 26394), (830, 26076), (984, 21995), (996, 21730), (1060, 20418), (1230, 17596), (1245, 17384), (1272, 17015), (1590, 13612), (1640, 13197), (1660, 13038), (1992, 10865), (2120, 10209), (2173, 9960), (2460, 8798), (2490, 8692), (3180, 6806), (3320, 6519), (3403, 6360), (4346, 4980), (4399, 4920)]