21014157092

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{71987}}^1$

素因数の和:72200

約数の個数: 48

約数和(自身を含む): 40635786240

約数和(自身を除く): 19621629148

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 167, 334, 437, 668, 874, 1748, 3173, 3841, 6346, 7682, 12692, 15364, 71987, 72979, 143974, 145958, 287948, 291916, 1367753, 1655701, 2735506, 3311402, 5471012, 6622804, 12021829, 24043658, 31458319, 48087316, 62916638, 125833276, 228414751, 276502067, 456829502, 553004134, 913659004, 1106008268, 5253539273, 10507078546, 21014157092]

約数ペア:

[(1, 21014157092), (2, 10507078546), (4, 5253539273), (19, 1106008268), (23, 913659004), (38, 553004134), (46, 456829502), (76, 276502067), (92, 228414751), (167, 125833276), (334, 62916638), (437, 48087316), (668, 31458319), (874, 24043658), (1748, 12021829), (3173, 6622804), (3841, 5471012), (6346, 3311402), (7682, 2735506), (12692, 1655701), (15364, 1367753), (71987, 291916), (72979, 287948), (143974, 145958)]