21000836292

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{1663}}^1$

素因数の和:2193

約数の個数: 96

約数和(自身を含む): 51348111360

約数和(自身を除く): 30347275068

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 409, 498, 818, 996, 1227, 1636, 1663, 2454, 2573, 3326, 4908, 4989, 5146, 6652, 7719, 9978, 10292, 12679, 15438, 19956, 25358, 30876, 33947, 38037, 50716, 51553, 67894, 76074, 101841, 103106, 135788, 138029, 152148, 154659, 203682, 206212, 276058, 309318, 407364, 414087, 552116, 618636, 680167, 828174, 1052357, 1360334, 1656348, 2040501, 2104714, 2720668, 3157071, 4081002, 4209428, 4278899, 6314142, 8162004, 8557798, 12628284, 12836697, 17115596, 21085177, 25673394, 42170354, 51346788, 56453861, 63255531, 84340708, 112907722, 126511062, 169361583, 225815444, 253022124, 338723166, 677446332, 1750069691, 3500139382, 5250209073, 7000278764, 10500418146, 21000836292]

約数ペア:

[(1, 21000836292), (2, 10500418146), (3, 7000278764), (4, 5250209073), (6, 3500139382), (12, 1750069691), (31, 677446332), (62, 338723166), (83, 253022124), (93, 225815444), (124, 169361583), (166, 126511062), (186, 112907722), (249, 84340708), (332, 63255531), (372, 56453861), (409, 51346788), (498, 42170354), (818, 25673394), (996, 21085177), (1227, 17115596), (1636, 12836697), (1663, 12628284), (2454, 8557798), (2573, 8162004), (3326, 6314142), (4908, 4278899), (4989, 4209428), (5146, 4081002), (6652, 3157071), (7719, 2720668), (9978, 2104714), (10292, 2040501), (12679, 1656348), (15438, 1360334), (19956, 1052357), (25358, 828174), (30876, 680167), (33947, 618636), (38037, 552116), (50716, 414087), (51553, 407364), (67894, 309318), (76074, 276058), (101841, 206212), (103106, 203682), (135788, 154659), (138029, 152148)]