21166470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 60278400

約数和(自身を除く): 39111930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 79, 90, 117, 130, 158, 195, 229, 234, 237, 390, 395, 458, 474, 585, 687, 711, 790, 1027, 1145, 1170, 1185, 1374, 1422, 2054, 2061, 2290, 2370, 2977, 3081, 3435, 3555, 4122, 5135, 5954, 6162, 6870, 7110, 8931, 9243, 10270, 10305, 14885, 15405, 17862, 18091, 18486, 20610, 26793, 29770, 30810, 36182, 44655, 46215, 53586, 54273, 89310, 90455, 92430, 108546, 133965, 162819, 180910, 235183, 267930, 271365, 325638, 470366, 542730, 705549, 814095, 1175915, 1411098, 1628190, 2116647, 2351830, 3527745, 4233294, 7055490, 10583235, 21166470]

約数ペア:

[(1, 21166470), (2, 10583235), (3, 7055490), (5, 4233294), (6, 3527745), (9, 2351830), (10, 2116647), (13, 1628190), (15, 1411098), (18, 1175915), (26, 814095), (30, 705549), (39, 542730), (45, 470366), (65, 325638), (78, 271365), (79, 267930), (90, 235183), (117, 180910), (130, 162819), (158, 133965), (195, 108546), (229, 92430), (234, 90455), (237, 89310), (390, 54273), (395, 53586), (458, 46215), (474, 44655), (585, 36182), (687, 30810), (711, 29770), (790, 26793), (1027, 20610), (1145, 18486), (1170, 18091), (1185, 17862), (1374, 15405), (1422, 14885), (2054, 10305), (2061, 10270), (2290, 9243), (2370, 8931), (2977, 7110), (3081, 6870), (3435, 6162), (3555, 5954), (4122, 5135)]