2171190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 6105600

約数和(自身を除く): 3934410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 211, 245, 294, 343, 422, 490, 633, 686, 735, 1029, 1055, 1266, 1470, 1477, 1715, 2058, 2110, 2954, 3165, 3430, 4431, 5145, 6330, 7385, 8862, 10290, 10339, 14770, 20678, 22155, 31017, 44310, 51695, 62034, 72373, 103390, 144746, 155085, 217119, 310170, 361865, 434238, 723730, 1085595, 2171190]

約数ペア:

[(1, 2171190), (2, 1085595), (3, 723730), (5, 434238), (6, 361865), (7, 310170), (10, 217119), (14, 155085), (15, 144746), (21, 103390), (30, 72373), (35, 62034), (42, 51695), (49, 44310), (70, 31017), (98, 22155), (105, 20678), (147, 14770), (210, 10339), (211, 10290), (245, 8862), (294, 7385), (343, 6330), (422, 5145), (490, 4431), (633, 3430), (686, 3165), (735, 2954), (1029, 2110), (1055, 2058), (1266, 1715), (1470, 1477)]