21998808

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 96

約数和(自身を含む): 67594800

約数和(自身を除く): 45595992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1237, 1368, 1482, 1976, 2223, 2474, 2964, 3711, 4446, 4948, 5928, 7422, 8892, 9896, 11133, 14844, 16081, 17784, 22266, 23503, 29688, 32162, 44532, 47006, 48243, 64324, 70509, 89064, 94012, 96486, 128648, 141018, 144729, 188024, 192972, 211527, 282036, 289458, 305539, 385944, 423054, 564072, 578916, 611078, 846108, 916617, 1157832, 1222156, 1692216, 1833234, 2444312, 2749851, 3666468, 5499702, 7332936, 10999404, 21998808]

約数ペア:

[(1, 21998808), (2, 10999404), (3, 7332936), (4, 5499702), (6, 3666468), (8, 2749851), (9, 2444312), (12, 1833234), (13, 1692216), (18, 1222156), (19, 1157832), (24, 916617), (26, 846108), (36, 611078), (38, 578916), (39, 564072), (52, 423054), (57, 385944), (72, 305539), (76, 289458), (78, 282036), (104, 211527), (114, 192972), (117, 188024), (152, 144729), (156, 141018), (171, 128648), (228, 96486), (234, 94012), (247, 89064), (312, 70509), (342, 64324), (456, 48243), (468, 47006), (494, 44532), (684, 32162), (741, 29688), (936, 23503), (988, 22266), (1237, 17784), (1368, 16081), (1482, 14844), (1976, 11133), (2223, 9896), (2474, 8892), (2964, 7422), (3711, 5928), (4446, 4948)]