21369180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 69318144

約数和(自身を除く): 47948964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 613, 830, 996, 1162, 1226, 1245, 1660, 1743, 1839, 2324, 2452, 2490, 2905, 3065, 3486, 3678, 4291, 4980, 5810, 6130, 6972, 7356, 8582, 8715, 9195, 11620, 12260, 12873, 17164, 17430, 18390, 21455, 25746, 34860, 36780, 42910, 50879, 51492, 64365, 85820, 101758, 128730, 152637, 203516, 254395, 257460, 305274, 356153, 508790, 610548, 712306, 763185, 1017580, 1068459, 1424612, 1526370, 1780765, 2136918, 3052740, 3561530, 4273836, 5342295, 7123060, 10684590, 21369180]

約数ペア:

[(1, 21369180), (2, 10684590), (3, 7123060), (4, 5342295), (5, 4273836), (6, 3561530), (7, 3052740), (10, 2136918), (12, 1780765), (14, 1526370), (15, 1424612), (20, 1068459), (21, 1017580), (28, 763185), (30, 712306), (35, 610548), (42, 508790), (60, 356153), (70, 305274), (83, 257460), (84, 254395), (105, 203516), (140, 152637), (166, 128730), (210, 101758), (249, 85820), (332, 64365), (415, 51492), (420, 50879), (498, 42910), (581, 36780), (613, 34860), (830, 25746), (996, 21455), (1162, 18390), (1226, 17430), (1245, 17164), (1660, 12873), (1743, 12260), (1839, 11620), (2324, 9195), (2452, 8715), (2490, 8582), (2905, 7356), (3065, 6972), (3486, 6130), (3678, 5810), (4291, 4980)]