21828816

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 66707784

約数和(自身を除く): 44878968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 37, 48, 51, 68, 72, 74, 102, 111, 136, 144, 148, 153, 204, 222, 241, 272, 296, 306, 333, 408, 444, 482, 592, 612, 629, 666, 723, 816, 888, 964, 1224, 1258, 1332, 1446, 1776, 1887, 1928, 2169, 2448, 2516, 2664, 2892, 3774, 3856, 4097, 4338, 5032, 5328, 5661, 5784, 7548, 8194, 8676, 8917, 10064, 11322, 11568, 12291, 15096, 16388, 17352, 17834, 22644, 24582, 26751, 30192, 32776, 34704, 35668, 36873, 45288, 49164, 53502, 65552, 71336, 73746, 80253, 90576, 98328, 107004, 142672, 147492, 151589, 160506, 196656, 214008, 294984, 303178, 321012, 428016, 454767, 589968, 606356, 642024, 909534, 1212712, 1284048, 1364301, 1819068, 2425424, 2728602, 3638136, 5457204, 7276272, 10914408, 21828816]

約数ペア:

[(1, 21828816), (2, 10914408), (3, 7276272), (4, 5457204), (6, 3638136), (8, 2728602), (9, 2425424), (12, 1819068), (16, 1364301), (17, 1284048), (18, 1212712), (24, 909534), (34, 642024), (36, 606356), (37, 589968), (48, 454767), (51, 428016), (68, 321012), (72, 303178), (74, 294984), (102, 214008), (111, 196656), (136, 160506), (144, 151589), (148, 147492), (153, 142672), (204, 107004), (222, 98328), (241, 90576), (272, 80253), (296, 73746), (306, 71336), (333, 65552), (408, 53502), (444, 49164), (482, 45288), (592, 36873), (612, 35668), (629, 34704), (666, 32776), (723, 30192), (816, 26751), (888, 24582), (964, 22644), (1224, 17834), (1258, 17352), (1332, 16388), (1446, 15096), (1776, 12291), (1887, 11568), (1928, 11322), (2169, 10064), (2448, 8917), (2516, 8676), (2664, 8194), (2892, 7548), (3774, 5784), (3856, 5661), (4097, 5328), (4338, 5032)]