21864108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 41131860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 61, 68, 84, 102, 119, 122, 183, 204, 238, 244, 251, 357, 366, 427, 476, 502, 714, 732, 753, 854, 1004, 1037, 1281, 1428, 1506, 1708, 1757, 2074, 2562, 3012, 3111, 3514, 4148, 4267, 5124, 5271, 6222, 7028, 7259, 8534, 10542, 12444, 12801, 14518, 15311, 17068, 21084, 21777, 25602, 29036, 29869, 30622, 43554, 45933, 51204, 59738, 61244, 87108, 89607, 91866, 107177, 119476, 179214, 183732, 214354, 260287, 321531, 358428, 428708, 520574, 643062, 780861, 1041148, 1286124, 1561722, 1822009, 3123444, 3644018, 5466027, 7288036, 10932054, 21864108]

約数ペア:

[(1, 21864108), (2, 10932054), (3, 7288036), (4, 5466027), (6, 3644018), (7, 3123444), (12, 1822009), (14, 1561722), (17, 1286124), (21, 1041148), (28, 780861), (34, 643062), (42, 520574), (51, 428708), (61, 358428), (68, 321531), (84, 260287), (102, 214354), (119, 183732), (122, 179214), (183, 119476), (204, 107177), (238, 91866), (244, 89607), (251, 87108), (357, 61244), (366, 59738), (427, 51204), (476, 45933), (502, 43554), (714, 30622), (732, 29869), (753, 29036), (854, 25602), (1004, 21777), (1037, 21084), (1281, 17068), (1428, 15311), (1506, 14518), (1708, 12801), (1757, 12444), (2074, 10542), (2562, 8534), (3012, 7259), (3111, 7028), (3514, 6222), (4148, 5271), (4267, 5124)]