21792803758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 36910494720

約数和(自身を除く): 15117690962

約数列:

[1, 2, 11, 22, 61, 71, 122, 142, 439, 521, 671, 781, 878, 1042, 1342, 1562, 4331, 4829, 5731, 8662, 9658, 11462, 26779, 31169, 31781, 36991, 47641, 53558, 62338, 63562, 73982, 95282, 228719, 294569, 342859, 349591, 406901, 457438, 589138, 685718, 699182, 813802, 1901309, 2256451, 2515909, 3802618, 4512902, 5031818, 13951859, 16239049, 20914399, 24820961, 27903718, 32478098, 41828798, 49641922, 153470449, 178629539, 306940898, 357259078, 990581989, 1981163978, 10896401879, 21792803758]

約数ペア:

[(1, 21792803758), (2, 10896401879), (11, 1981163978), (22, 990581989), (61, 357259078), (71, 306940898), (122, 178629539), (142, 153470449), (439, 49641922), (521, 41828798), (671, 32478098), (781, 27903718), (878, 24820961), (1042, 20914399), (1342, 16239049), (1562, 13951859), (4331, 5031818), (4829, 4512902), (5731, 3802618), (8662, 2515909), (9658, 2256451), (11462, 1901309), (26779, 813802), (31169, 699182), (31781, 685718), (36991, 589138), (47641, 457438), (53558, 406901), (62338, 349591), (63562, 342859), (73982, 294569), (95282, 228719)]