21165924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 57796480

約数和(自身を除く): 36630556

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 148, 156, 193, 222, 228, 247, 386, 444, 481, 494, 579, 703, 741, 772, 962, 988, 1158, 1406, 1443, 1482, 1924, 2109, 2316, 2509, 2812, 2886, 2964, 3667, 4218, 5018, 5772, 7141, 7334, 7527, 8436, 9139, 10036, 11001, 14282, 14668, 15054, 18278, 21423, 22002, 27417, 28564, 30108, 36556, 42846, 44004, 47671, 54834, 85692, 92833, 95342, 109668, 135679, 143013, 185666, 190684, 271358, 278499, 286026, 371332, 407037, 542716, 556998, 572052, 814074, 1113996, 1628148, 1763827, 3527654, 5291481, 7055308, 10582962, 21165924]

約数ペア:

[(1, 21165924), (2, 10582962), (3, 7055308), (4, 5291481), (6, 3527654), (12, 1763827), (13, 1628148), (19, 1113996), (26, 814074), (37, 572052), (38, 556998), (39, 542716), (52, 407037), (57, 371332), (74, 286026), (76, 278499), (78, 271358), (111, 190684), (114, 185666), (148, 143013), (156, 135679), (193, 109668), (222, 95342), (228, 92833), (247, 85692), (386, 54834), (444, 47671), (481, 44004), (494, 42846), (579, 36556), (703, 30108), (741, 28564), (772, 27417), (962, 22002), (988, 21423), (1158, 18278), (1406, 15054), (1443, 14668), (1482, 14282), (1924, 11001), (2109, 10036), (2316, 9139), (2509, 8436), (2812, 7527), (2886, 7334), (2964, 7141), (3667, 5772), (4218, 5018)]