21748160

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 168

約数和(自身を含む): 64282320

約数和(自身を除く): 42534160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 73, 76, 80, 95, 98, 112, 133, 140, 146, 152, 160, 190, 196, 224, 245, 266, 280, 292, 304, 320, 365, 380, 392, 448, 490, 511, 532, 560, 584, 608, 665, 730, 760, 784, 931, 980, 1022, 1064, 1120, 1168, 1216, 1330, 1387, 1460, 1520, 1568, 1862, 1960, 2044, 2128, 2240, 2336, 2555, 2660, 2774, 2920, 3040, 3136, 3577, 3724, 3920, 4088, 4256, 4655, 4672, 5110, 5320, 5548, 5840, 6080, 6935, 7154, 7448, 7840, 8176, 8512, 9310, 9709, 10220, 10640, 11096, 11680, 13870, 14308, 14896, 15680, 16352, 17885, 18620, 19418, 20440, 21280, 22192, 23360, 27740, 28616, 29792, 32704, 35770, 37240, 38836, 40880, 42560, 44384, 48545, 55480, 57232, 59584, 67963, 71540, 74480, 77672, 81760, 88768, 97090, 110960, 114464, 135926, 143080, 148960, 155344, 163520, 194180, 221920, 228928, 271852, 286160, 297920, 310688, 339815, 388360, 443840, 543704, 572320, 621376, 679630, 776720, 1087408, 1144640, 1359260, 1553440, 2174816, 2718520, 3106880, 4349632, 5437040, 10874080, 21748160]

約数ペア:

[(1, 21748160), (2, 10874080), (4, 5437040), (5, 4349632), (7, 3106880), (8, 2718520), (10, 2174816), (14, 1553440), (16, 1359260), (19, 1144640), (20, 1087408), (28, 776720), (32, 679630), (35, 621376), (38, 572320), (40, 543704), (49, 443840), (56, 388360), (64, 339815), (70, 310688), (73, 297920), (76, 286160), (80, 271852), (95, 228928), (98, 221920), (112, 194180), (133, 163520), (140, 155344), (146, 148960), (152, 143080), (160, 135926), (190, 114464), (196, 110960), (224, 97090), (245, 88768), (266, 81760), (280, 77672), (292, 74480), (304, 71540), (320, 67963), (365, 59584), (380, 57232), (392, 55480), (448, 48545), (490, 44384), (511, 42560), (532, 40880), (560, 38836), (584, 37240), (608, 35770), (665, 32704), (730, 29792), (760, 28616), (784, 27740), (931, 23360), (980, 22192), (1022, 21280), (1064, 20440), (1120, 19418), (1168, 18620), (1216, 17885), (1330, 16352), (1387, 15680), (1460, 14896), (1520, 14308), (1568, 13870), (1862, 11680), (1960, 11096), (2044, 10640), (2128, 10220), (2240, 9709), (2336, 9310), (2555, 8512), (2660, 8176), (2774, 7840), (2920, 7448), (3040, 7154), (3136, 6935), (3577, 6080), (3724, 5840), (3920, 5548), (4088, 5320), (4256, 5110), (4655, 4672)]