21758838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 26901642

約数列:

[1, 2, 3, 6, 19, 31, 38, 47, 57, 62, 93, 94, 114, 131, 141, 186, 262, 282, 393, 589, 786, 893, 1178, 1457, 1767, 1786, 2489, 2679, 2914, 3534, 4061, 4371, 4978, 5358, 6157, 7467, 8122, 8742, 12183, 12314, 14934, 18471, 24366, 27683, 36942, 55366, 77159, 83049, 116983, 154318, 166098, 190867, 231477, 233966, 350949, 381734, 462954, 572601, 701898, 1145202, 3626473, 7252946, 10879419, 21758838]

約数ペア:

[(1, 21758838), (2, 10879419), (3, 7252946), (6, 3626473), (19, 1145202), (31, 701898), (38, 572601), (47, 462954), (57, 381734), (62, 350949), (93, 233966), (94, 231477), (114, 190867), (131, 166098), (141, 154318), (186, 116983), (262, 83049), (282, 77159), (393, 55366), (589, 36942), (786, 27683), (893, 24366), (1178, 18471), (1457, 14934), (1767, 12314), (1786, 12183), (2489, 8742), (2679, 8122), (2914, 7467), (3534, 6157), (4061, 5358), (4371, 4978)]