21032601720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{162439}}^1$

素因数の和:162549

約数の個数: 128

約数和(自身を含む): 68770598400

約数和(自身を除く): 47737996680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 312, 332, 390, 415, 498, 520, 664, 780, 830, 996, 1079, 1245, 1560, 1660, 1992, 2158, 2490, 3237, 3320, 4316, 4980, 5395, 6474, 8632, 9960, 10790, 12948, 16185, 21580, 25896, 32370, 43160, 64740, 129480, 162439, 324878, 487317, 649756, 812195, 974634, 1299512, 1624390, 1949268, 2111707, 2436585, 3248780, 3898536, 4223414, 4873170, 6335121, 6497560, 8446828, 9746340, 10558535, 12670242, 13482437, 16893656, 19492680, 21117070, 25340484, 26964874, 31675605, 40447311, 42234140, 50680968, 53929748, 63351210, 67412185, 80894622, 84468280, 107859496, 126702420, 134824370, 161789244, 175271681, 202236555, 253404840, 269648740, 323578488, 350543362, 404473110, 525815043, 539297480, 701086724, 808946220, 876358405, 1051630086, 1402173448, 1617892440, 1752716810, 2103260172, 2629075215, 3505433620, 4206520344, 5258150430, 7010867240, 10516300860, 21032601720]

約数ペア:

[(1, 21032601720), (2, 10516300860), (3, 7010867240), (4, 5258150430), (5, 4206520344), (6, 3505433620), (8, 2629075215), (10, 2103260172), (12, 1752716810), (13, 1617892440), (15, 1402173448), (20, 1051630086), (24, 876358405), (26, 808946220), (30, 701086724), (39, 539297480), (40, 525815043), (52, 404473110), (60, 350543362), (65, 323578488), (78, 269648740), (83, 253404840), (104, 202236555), (120, 175271681), (130, 161789244), (156, 134824370), (166, 126702420), (195, 107859496), (249, 84468280), (260, 80894622), (312, 67412185), (332, 63351210), (390, 53929748), (415, 50680968), (498, 42234140), (520, 40447311), (664, 31675605), (780, 26964874), (830, 25340484), (996, 21117070), (1079, 19492680), (1245, 16893656), (1560, 13482437), (1660, 12670242), (1992, 10558535), (2158, 9746340), (2490, 8446828), (3237, 6497560), (3320, 6335121), (4316, 4873170), (4980, 4223414), (5395, 3898536), (6474, 3248780), (8632, 2436585), (9960, 2111707), (10790, 1949268), (12948, 1624390), (16185, 1299512), (21580, 974634), (25896, 812195), (32370, 649756), (43160, 487317), (64740, 324878), (129480, 162439)]