21857976

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 69888000

約数和(自身を除く): 48030024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1399, 1736, 1953, 2232, 2604, 2798, 3906, 4197, 5208, 5596, 7812, 8394, 9793, 11192, 12591, 15624, 16788, 19586, 25182, 29379, 33576, 39172, 43369, 50364, 58758, 78344, 86738, 88137, 100728, 117516, 130107, 173476, 176274, 235032, 260214, 303583, 346952, 352548, 390321, 520428, 607166, 705096, 780642, 910749, 1040856, 1214332, 1561284, 1821498, 2428664, 2732247, 3122568, 3642996, 5464494, 7285992, 10928988, 21857976]

約数ペア:

[(1, 21857976), (2, 10928988), (3, 7285992), (4, 5464494), (6, 3642996), (7, 3122568), (8, 2732247), (9, 2428664), (12, 1821498), (14, 1561284), (18, 1214332), (21, 1040856), (24, 910749), (28, 780642), (31, 705096), (36, 607166), (42, 520428), (56, 390321), (62, 352548), (63, 346952), (72, 303583), (84, 260214), (93, 235032), (124, 176274), (126, 173476), (168, 130107), (186, 117516), (217, 100728), (248, 88137), (252, 86738), (279, 78344), (372, 58758), (434, 50364), (504, 43369), (558, 39172), (651, 33576), (744, 29379), (868, 25182), (1116, 19586), (1302, 16788), (1399, 15624), (1736, 12591), (1953, 11192), (2232, 9793), (2604, 8394), (2798, 7812), (3906, 5596), (4197, 5208)]