21062664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 69014400

約数和(自身を除く): 47951736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 79, 84, 92, 126, 138, 158, 161, 168, 184, 207, 237, 252, 276, 316, 322, 414, 474, 483, 504, 529, 552, 553, 632, 644, 711, 828, 948, 966, 1058, 1106, 1288, 1422, 1449, 1587, 1656, 1659, 1817, 1896, 1932, 2116, 2212, 2844, 2898, 3174, 3318, 3634, 3703, 3864, 4232, 4424, 4761, 4977, 5451, 5688, 5796, 6348, 6636, 7268, 7406, 9522, 9954, 10902, 11109, 11592, 12696, 12719, 13272, 14536, 14812, 16353, 19044, 19908, 21804, 22218, 25438, 29624, 32706, 33327, 38088, 38157, 39816, 41791, 43608, 44436, 50876, 65412, 66654, 76314, 83582, 88872, 101752, 114471, 125373, 130824, 133308, 152628, 167164, 228942, 250746, 266616, 292537, 305256, 334328, 376119, 457884, 501492, 585074, 752238, 877611, 915768, 1002984, 1170148, 1504476, 1755222, 2340296, 2632833, 3008952, 3510444, 5265666, 7020888, 10531332, 21062664]

約数ペア:

[(1, 21062664), (2, 10531332), (3, 7020888), (4, 5265666), (6, 3510444), (7, 3008952), (8, 2632833), (9, 2340296), (12, 1755222), (14, 1504476), (18, 1170148), (21, 1002984), (23, 915768), (24, 877611), (28, 752238), (36, 585074), (42, 501492), (46, 457884), (56, 376119), (63, 334328), (69, 305256), (72, 292537), (79, 266616), (84, 250746), (92, 228942), (126, 167164), (138, 152628), (158, 133308), (161, 130824), (168, 125373), (184, 114471), (207, 101752), (237, 88872), (252, 83582), (276, 76314), (316, 66654), (322, 65412), (414, 50876), (474, 44436), (483, 43608), (504, 41791), (529, 39816), (552, 38157), (553, 38088), (632, 33327), (644, 32706), (711, 29624), (828, 25438), (948, 22218), (966, 21804), (1058, 19908), (1106, 19044), (1288, 16353), (1422, 14812), (1449, 14536), (1587, 13272), (1656, 12719), (1659, 12696), (1817, 11592), (1896, 11109), (1932, 10902), (2116, 9954), (2212, 9522), (2844, 7406), (2898, 7268), (3174, 6636), (3318, 6348), (3634, 5796), (3703, 5688), (3864, 5451), (4232, 4977), (4424, 4761)]