21619360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 37651040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 199, 224, 280, 388, 398, 485, 560, 679, 776, 796, 970, 995, 1120, 1358, 1393, 1552, 1592, 1940, 1990, 2716, 2786, 3104, 3184, 3395, 3880, 3980, 5432, 5572, 6368, 6790, 6965, 7760, 7960, 10864, 11144, 13580, 13930, 15520, 15920, 19303, 21728, 22288, 27160, 27860, 31840, 38606, 44576, 54320, 55720, 77212, 96515, 108640, 111440, 135121, 154424, 193030, 222880, 270242, 308848, 386060, 540484, 617696, 675605, 772120, 1080968, 1351210, 1544240, 2161936, 2702420, 3088480, 4323872, 5404840, 10809680, 21619360]

約数ペア:

[(1, 21619360), (2, 10809680), (4, 5404840), (5, 4323872), (7, 3088480), (8, 2702420), (10, 2161936), (14, 1544240), (16, 1351210), (20, 1080968), (28, 772120), (32, 675605), (35, 617696), (40, 540484), (56, 386060), (70, 308848), (80, 270242), (97, 222880), (112, 193030), (140, 154424), (160, 135121), (194, 111440), (199, 108640), (224, 96515), (280, 77212), (388, 55720), (398, 54320), (485, 44576), (560, 38606), (679, 31840), (776, 27860), (796, 27160), (970, 22288), (995, 21728), (1120, 19303), (1358, 15920), (1393, 15520), (1552, 13930), (1592, 13580), (1940, 11144), (1990, 10864), (2716, 7960), (2786, 7760), (3104, 6965), (3184, 6790), (3395, 6368), (3880, 5572), (3980, 5432)]