21285701580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2480851}}^1$

素因数の和:2480887

約数の個数: 96

約数和(自身を含む): 70019566848

約数和(自身を除く): 48733865268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 2480851, 4961702, 7442553, 9923404, 12404255, 14885106, 24808510, 27289361, 29770212, 32251063, 37212765, 49617020, 54578722, 64502126, 74425530, 81868083, 96753189, 109157444, 129004252, 136446805, 148851060, 161255315, 163736166, 193506378, 272893610, 322510630, 327472332, 354761693, 387012756, 409340415, 483765945, 545787220, 645021260, 709523386, 818680830, 967531890, 1064285079, 1419046772, 1637361660, 1773808465, 1935063780, 2128570158, 3547616930, 4257140316, 5321425395, 7095233860, 10642850790, 21285701580]

約数ペア:

[(1, 21285701580), (2, 10642850790), (3, 7095233860), (4, 5321425395), (5, 4257140316), (6, 3547616930), (10, 2128570158), (11, 1935063780), (12, 1773808465), (13, 1637361660), (15, 1419046772), (20, 1064285079), (22, 967531890), (26, 818680830), (30, 709523386), (33, 645021260), (39, 545787220), (44, 483765945), (52, 409340415), (55, 387012756), (60, 354761693), (65, 327472332), (66, 322510630), (78, 272893610), (110, 193506378), (130, 163736166), (132, 161255315), (143, 148851060), (156, 136446805), (165, 129004252), (195, 109157444), (220, 96753189), (260, 81868083), (286, 74425530), (330, 64502126), (390, 54578722), (429, 49617020), (572, 37212765), (660, 32251063), (715, 29770212), (780, 27289361), (858, 24808510), (1430, 14885106), (1716, 12404255), (2145, 9923404), (2860, 7442553), (4290, 4961702), (8580, 2480851)]