21001536

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 126

約数和(自身を含む): 64161162

約数和(自身を除く): 43159626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 101, 114, 144, 152, 171, 192, 202, 228, 288, 303, 304, 342, 361, 404, 456, 576, 606, 608, 684, 722, 808, 909, 912, 1083, 1212, 1216, 1368, 1444, 1616, 1818, 1824, 1919, 2166, 2424, 2736, 2888, 3232, 3249, 3636, 3648, 3838, 4332, 4848, 5472, 5757, 5776, 6464, 6498, 7272, 7676, 8664, 9696, 10944, 11514, 11552, 12996, 14544, 15352, 17271, 17328, 19392, 23028, 23104, 25992, 29088, 30704, 34542, 34656, 36461, 46056, 51984, 58176, 61408, 69084, 69312, 72922, 92112, 103968, 109383, 122816, 138168, 145844, 184224, 207936, 218766, 276336, 291688, 328149, 368448, 437532, 552672, 583376, 656298, 875064, 1105344, 1166752, 1312596, 1750128, 2333504, 2625192, 3500256, 5250384, 7000512, 10500768, 21001536]

約数ペア:

[(1, 21001536), (2, 10500768), (3, 7000512), (4, 5250384), (6, 3500256), (8, 2625192), (9, 2333504), (12, 1750128), (16, 1312596), (18, 1166752), (19, 1105344), (24, 875064), (32, 656298), (36, 583376), (38, 552672), (48, 437532), (57, 368448), (64, 328149), (72, 291688), (76, 276336), (96, 218766), (101, 207936), (114, 184224), (144, 145844), (152, 138168), (171, 122816), (192, 109383), (202, 103968), (228, 92112), (288, 72922), (303, 69312), (304, 69084), (342, 61408), (361, 58176), (404, 51984), (456, 46056), (576, 36461), (606, 34656), (608, 34542), (684, 30704), (722, 29088), (808, 25992), (909, 23104), (912, 23028), (1083, 19392), (1212, 17328), (1216, 17271), (1368, 15352), (1444, 14544), (1616, 12996), (1818, 11552), (1824, 11514), (1919, 10944), (2166, 9696), (2424, 8664), (2736, 7676), (2888, 7272), (3232, 6498), (3249, 6464), (3636, 5776), (3648, 5757), (3838, 5472), (4332, 4848)]