21612456

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 63198720

約数和(自身を除く): 41586264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 31, 36, 46, 62, 69, 72, 92, 93, 124, 138, 184, 186, 207, 248, 276, 279, 372, 414, 421, 552, 558, 713, 744, 828, 842, 1116, 1263, 1426, 1656, 1684, 2139, 2232, 2526, 2852, 3368, 3789, 4278, 5052, 5704, 6417, 7578, 8556, 9683, 10104, 12834, 13051, 15156, 17112, 19366, 25668, 26102, 29049, 30312, 38732, 39153, 51336, 52204, 58098, 77464, 78306, 87147, 104408, 116196, 117459, 156612, 174294, 232392, 234918, 300173, 313224, 348588, 469836, 600346, 697176, 900519, 939672, 1200692, 1801038, 2401384, 2701557, 3602076, 5403114, 7204152, 10806228, 21612456]

約数ペア:

[(1, 21612456), (2, 10806228), (3, 7204152), (4, 5403114), (6, 3602076), (8, 2701557), (9, 2401384), (12, 1801038), (18, 1200692), (23, 939672), (24, 900519), (31, 697176), (36, 600346), (46, 469836), (62, 348588), (69, 313224), (72, 300173), (92, 234918), (93, 232392), (124, 174294), (138, 156612), (184, 117459), (186, 116196), (207, 104408), (248, 87147), (276, 78306), (279, 77464), (372, 58098), (414, 52204), (421, 51336), (552, 39153), (558, 38732), (713, 30312), (744, 29049), (828, 26102), (842, 25668), (1116, 19366), (1263, 17112), (1426, 15156), (1656, 13051), (1684, 12834), (2139, 10104), (2232, 9683), (2526, 8556), (2852, 7578), (3368, 6417), (3789, 5704), (4278, 5052)]