21652260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1713

約数の個数: 96

約数和(自身を含む): 71565312

約数和(自身を除く): 49913052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1663, 1860, 2170, 2604, 3255, 3326, 4340, 4989, 6510, 6652, 8315, 9978, 11641, 13020, 16630, 19956, 23282, 24945, 33260, 34923, 46564, 49890, 51553, 58205, 69846, 99780, 103106, 116410, 139692, 154659, 174615, 206212, 232820, 257765, 309318, 349230, 360871, 515530, 618636, 698460, 721742, 773295, 1031060, 1082613, 1443484, 1546590, 1804355, 2165226, 3093180, 3608710, 4330452, 5413065, 7217420, 10826130, 21652260]

約数ペア:

[(1, 21652260), (2, 10826130), (3, 7217420), (4, 5413065), (5, 4330452), (6, 3608710), (7, 3093180), (10, 2165226), (12, 1804355), (14, 1546590), (15, 1443484), (20, 1082613), (21, 1031060), (28, 773295), (30, 721742), (31, 698460), (35, 618636), (42, 515530), (60, 360871), (62, 349230), (70, 309318), (84, 257765), (93, 232820), (105, 206212), (124, 174615), (140, 154659), (155, 139692), (186, 116410), (210, 103106), (217, 99780), (310, 69846), (372, 58205), (420, 51553), (434, 49890), (465, 46564), (620, 34923), (651, 33260), (868, 24945), (930, 23282), (1085, 19956), (1302, 16630), (1663, 13020), (1860, 11641), (2170, 9978), (2604, 8315), (3255, 6652), (3326, 6510), (4340, 4989)]