21018192

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2591}}^1$

素因数の和:2628

約数の個数: 60

約数和(自身を含む): 58817664

約数和(自身を除く): 37799472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2591, 2704, 4056, 5182, 7773, 8112, 10364, 15546, 20728, 31092, 33683, 41456, 62184, 67366, 101049, 124368, 134732, 202098, 269464, 404196, 437879, 538928, 808392, 875758, 1313637, 1616784, 1751516, 2627274, 3503032, 5254548, 7006064, 10509096, 21018192]

約数ペア:

[(1, 21018192), (2, 10509096), (3, 7006064), (4, 5254548), (6, 3503032), (8, 2627274), (12, 1751516), (13, 1616784), (16, 1313637), (24, 875758), (26, 808392), (39, 538928), (48, 437879), (52, 404196), (78, 269464), (104, 202098), (156, 134732), (169, 124368), (208, 101049), (312, 67366), (338, 62184), (507, 41456), (624, 33683), (676, 31092), (1014, 20728), (1352, 15546), (2028, 10364), (2591, 8112), (2704, 7773), (4056, 5182)]