21047459076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{258581}}^1$

素因数の和:258634

約数の個数: 144

約数和(自身を含む): 67769170560

約数和(自身を除く): 46721711484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 476, 532, 612, 646, 684, 714, 798, 969, 1071, 1197, 1292, 1428, 1596, 1938, 2142, 2261, 2394, 2907, 3876, 4284, 4522, 4788, 5814, 6783, 9044, 11628, 13566, 20349, 27132, 40698, 81396, 258581, 517162, 775743, 1034324, 1551486, 1810067, 2327229, 3102972, 3620134, 4395877, 4654458, 4913039, 5430201, 7240268, 8791754, 9308916, 9826078, 10860402, 13187631, 14739117, 16290603, 17583508, 19652156, 21720804, 26375262, 29478234, 30771139, 32581206, 34391273, 39562893, 44217351, 52750524, 58956468, 61542278, 65162412, 68782546, 79125786, 83521663, 88434702, 92313417, 103173819, 123084556, 137565092, 158251572, 167043326, 176869404, 184626834, 206347638, 250564989, 276940251, 309521457, 334086652, 369253668, 412695276, 501129978, 553880502, 584651641, 619042914, 751694967, 1002259956, 1107761004, 1169303282, 1238085828, 1503389934, 1753954923, 2338606564, 3006779868, 3507909846, 5261864769, 7015819692, 10523729538, 21047459076]

約数ペア:

[(1, 21047459076), (2, 10523729538), (3, 7015819692), (4, 5261864769), (6, 3507909846), (7, 3006779868), (9, 2338606564), (12, 1753954923), (14, 1503389934), (17, 1238085828), (18, 1169303282), (19, 1107761004), (21, 1002259956), (28, 751694967), (34, 619042914), (36, 584651641), (38, 553880502), (42, 501129978), (51, 412695276), (57, 369253668), (63, 334086652), (68, 309521457), (76, 276940251), (84, 250564989), (102, 206347638), (114, 184626834), (119, 176869404), (126, 167043326), (133, 158251572), (153, 137565092), (171, 123084556), (204, 103173819), (228, 92313417), (238, 88434702), (252, 83521663), (266, 79125786), (306, 68782546), (323, 65162412), (342, 61542278), (357, 58956468), (399, 52750524), (476, 44217351), (532, 39562893), (612, 34391273), (646, 32581206), (684, 30771139), (714, 29478234), (798, 26375262), (969, 21720804), (1071, 19652156), (1197, 17583508), (1292, 16290603), (1428, 14739117), (1596, 13187631), (1938, 10860402), (2142, 9826078), (2261, 9308916), (2394, 8791754), (2907, 7240268), (3876, 5430201), (4284, 4913039), (4522, 4654458), (4788, 4395877), (5814, 3620134), (6783, 3102972), (9044, 2327229), (11628, 1810067), (13566, 1551486), (20349, 1034324), (27132, 775743), (40698, 517162), (81396, 258581)]