21879060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:593

約数の個数: 96

約数和(自身を含む): 70785792

約数和(自身を除く): 48906732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 461, 565, 678, 791, 922, 1130, 1356, 1383, 1582, 1695, 1844, 2260, 2305, 2373, 2766, 3164, 3227, 3390, 3955, 4610, 4746, 5532, 6454, 6780, 6915, 7910, 9220, 9492, 9681, 11865, 12908, 13830, 15820, 16135, 19362, 23730, 27660, 32270, 38724, 47460, 48405, 52093, 64540, 96810, 104186, 156279, 193620, 208372, 260465, 312558, 364651, 520930, 625116, 729302, 781395, 1041860, 1093953, 1458604, 1562790, 1823255, 2187906, 3125580, 3646510, 4375812, 5469765, 7293020, 10939530, 21879060]

約数ペア:

[(1, 21879060), (2, 10939530), (3, 7293020), (4, 5469765), (5, 4375812), (6, 3646510), (7, 3125580), (10, 2187906), (12, 1823255), (14, 1562790), (15, 1458604), (20, 1093953), (21, 1041860), (28, 781395), (30, 729302), (35, 625116), (42, 520930), (60, 364651), (70, 312558), (84, 260465), (105, 208372), (113, 193620), (140, 156279), (210, 104186), (226, 96810), (339, 64540), (420, 52093), (452, 48405), (461, 47460), (565, 38724), (678, 32270), (791, 27660), (922, 23730), (1130, 19362), (1356, 16135), (1383, 15820), (1582, 13830), (1695, 12908), (1844, 11865), (2260, 9681), (2305, 9492), (2373, 9220), (2766, 7910), (3164, 6915), (3227, 6780), (3390, 6454), (3955, 5532), (4610, 4746)]