21156096

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 61344528

約数和(自身を除く): 40188432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 163, 169, 192, 208, 256, 312, 326, 338, 384, 416, 489, 507, 624, 652, 676, 768, 832, 978, 1014, 1248, 1304, 1352, 1664, 1956, 2028, 2119, 2496, 2608, 2704, 3328, 3912, 4056, 4238, 4992, 5216, 5408, 6357, 7824, 8112, 8476, 9984, 10432, 10816, 12714, 15648, 16224, 16952, 20864, 21632, 25428, 27547, 31296, 32448, 33904, 41728, 43264, 50856, 55094, 62592, 64896, 67808, 82641, 101712, 110188, 125184, 129792, 135616, 165282, 203424, 220376, 271232, 330564, 406848, 440752, 542464, 661128, 813696, 881504, 1322256, 1627392, 1763008, 2644512, 3526016, 5289024, 7052032, 10578048, 21156096]

約数ペア:

[(1, 21156096), (2, 10578048), (3, 7052032), (4, 5289024), (6, 3526016), (8, 2644512), (12, 1763008), (13, 1627392), (16, 1322256), (24, 881504), (26, 813696), (32, 661128), (39, 542464), (48, 440752), (52, 406848), (64, 330564), (78, 271232), (96, 220376), (104, 203424), (128, 165282), (156, 135616), (163, 129792), (169, 125184), (192, 110188), (208, 101712), (256, 82641), (312, 67808), (326, 64896), (338, 62592), (384, 55094), (416, 50856), (489, 43264), (507, 41728), (624, 33904), (652, 32448), (676, 31296), (768, 27547), (832, 25428), (978, 21632), (1014, 20864), (1248, 16952), (1304, 16224), (1352, 15648), (1664, 12714), (1956, 10816), (2028, 10432), (2119, 9984), (2496, 8476), (2608, 8112), (2704, 7824), (3328, 6357), (3912, 5408), (4056, 5216), (4238, 4992)]