21072672

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3886

約数の個数: 72

約数和(自身を含む): 63095760

約数和(自身を除く): 42023088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3851, 5472, 7702, 11553, 15404, 23106, 30808, 34659, 46212, 61616, 69318, 73169, 92424, 123232, 138636, 146338, 184848, 219507, 277272, 292676, 369696, 439014, 554544, 585352, 658521, 878028, 1109088, 1170704, 1317042, 1756056, 2341408, 2634084, 3512112, 5268168, 7024224, 10536336, 21072672]

約数ペア:

[(1, 21072672), (2, 10536336), (3, 7024224), (4, 5268168), (6, 3512112), (8, 2634084), (9, 2341408), (12, 1756056), (16, 1317042), (18, 1170704), (19, 1109088), (24, 878028), (32, 658521), (36, 585352), (38, 554544), (48, 439014), (57, 369696), (72, 292676), (76, 277272), (96, 219507), (114, 184848), (144, 146338), (152, 138636), (171, 123232), (228, 92424), (288, 73169), (304, 69318), (342, 61616), (456, 46212), (608, 34659), (684, 30808), (912, 23106), (1368, 15404), (1824, 11553), (2736, 7702), (3851, 5472)]