21166392

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 57456000

約数和(自身を除く): 36289608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 179, 312, 358, 379, 537, 716, 758, 1074, 1137, 1432, 1516, 2148, 2274, 2327, 3032, 4296, 4548, 4654, 4927, 6981, 9096, 9308, 9854, 13962, 14781, 18616, 19708, 27924, 29562, 39416, 55848, 59124, 67841, 118248, 135682, 203523, 271364, 407046, 542728, 814092, 881933, 1628184, 1763866, 2645799, 3527732, 5291598, 7055464, 10583196, 21166392]

約数ペア:

[(1, 21166392), (2, 10583196), (3, 7055464), (4, 5291598), (6, 3527732), (8, 2645799), (12, 1763866), (13, 1628184), (24, 881933), (26, 814092), (39, 542728), (52, 407046), (78, 271364), (104, 203523), (156, 135682), (179, 118248), (312, 67841), (358, 59124), (379, 55848), (537, 39416), (716, 29562), (758, 27924), (1074, 19708), (1137, 18616), (1432, 14781), (1516, 13962), (2148, 9854), (2274, 9308), (2327, 9096), (3032, 6981), (4296, 4927), (4548, 4654)]