21048132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 38302908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 59, 62, 84, 93, 118, 124, 137, 177, 186, 217, 236, 274, 354, 372, 411, 413, 434, 548, 651, 708, 822, 826, 868, 959, 1239, 1302, 1644, 1652, 1829, 1918, 2478, 2604, 2877, 3658, 3836, 4247, 4956, 5487, 5754, 7316, 8083, 8494, 10974, 11508, 12741, 12803, 16166, 16988, 21948, 24249, 25482, 25606, 29729, 32332, 38409, 48498, 50964, 51212, 56581, 59458, 76818, 89187, 96996, 113162, 118916, 153636, 169743, 178374, 226324, 250573, 339486, 356748, 501146, 678972, 751719, 1002292, 1503438, 1754011, 3006876, 3508022, 5262033, 7016044, 10524066, 21048132]

約数ペア:

[(1, 21048132), (2, 10524066), (3, 7016044), (4, 5262033), (6, 3508022), (7, 3006876), (12, 1754011), (14, 1503438), (21, 1002292), (28, 751719), (31, 678972), (42, 501146), (59, 356748), (62, 339486), (84, 250573), (93, 226324), (118, 178374), (124, 169743), (137, 153636), (177, 118916), (186, 113162), (217, 96996), (236, 89187), (274, 76818), (354, 59458), (372, 56581), (411, 51212), (413, 50964), (434, 48498), (548, 38409), (651, 32332), (708, 29729), (822, 25606), (826, 25482), (868, 24249), (959, 21948), (1239, 16988), (1302, 16166), (1644, 12803), (1652, 12741), (1829, 11508), (1918, 10974), (2478, 8494), (2604, 8083), (2877, 7316), (3658, 5754), (3836, 5487), (4247, 4956)]